CN103060606A - Novel environment-friendly antimony-added alloy bar - Google Patents
Novel environment-friendly antimony-added alloy bar Download PDFInfo
- Publication number
- CN103060606A CN103060606A CN2013100160843A CN201310016084A CN103060606A CN 103060606 A CN103060606 A CN 103060606A CN 2013100160843 A CN2013100160843 A CN 2013100160843A CN 201310016084 A CN201310016084 A CN 201310016084A CN 103060606 A CN103060606 A CN 103060606A
- Authority
- CN
- China
- Prior art keywords
- alloy bar
- degree
- antimony
- alloy
- annealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The invention relates to a novel environment-friendly antimony-added alloy bar. The bar is characterized by comprising the following components in parts by weight: 0.2-5% of antimony, 6-12% of tin and the balance of copper. According to the invention, a traditional lead element is changed into an antimony element, so that the environment-friendly property of the alloy bar is improved, the tensile strength of the alloy is greatly enhanced, the alloy hardness is elevated from primary 70-80HBS to 95-120HBS, and the abrasive resistance is also improved.
Description
Technical field
The present invention relates to alloy bar and make the field, particularly relate to a kind of novel environment friendly and add antimony alloy rod and preparation method thereof.
Background technology
The high-tin bronze alloy bar is mainly used in the aspects such as the blue ﹑ gear of all kinds of wear-resisting bearing shell ﹑ axle cover ﹑ methods, present high-tin bronze rod tends to add lead element in order to embody its easy smear metal performance, along with the obvious raising of environmental consciousness, the bell metal rod that contains lead element can not satisfy the requirement of domestic and international high-end market.
Summary of the invention
Unresolved above-mentioned technical problem the invention provides a kind of novel environment friendly that does not contain lead element and adds antimony alloy rod and preparation method thereof.
A kind of novel environment friendly adds the antimony alloy rod, is comprised of following weight percentage component: antimony 0.2%-5%, and tin 6%-12%, surplus is copper.
Further, above-mentioned novel environment friendly adds the preparation method of antimony alloy rod, may further comprise the steps:
Step 1: according to proportioning Dian Xie Tong ﹑ Xi ﹑ antimony is placed in the main frequency furnace, be heated to 1150 degree-1350 degree and be incubated to 1100 degree-1250 degree after the fusing fully;
Step 2: after the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 12-25cm;
After step 3: soaking time 0.5-2.0 hour, again be warming up to 1200 degree-1350 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 50mm-80mm, and length is the solid alloy bar material of 2000mm;
Step 4: with a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 45mm-75mm;
Step 5: will make a good alloy bar with stretching die continuously elongated 3 times to 40mm-70mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealings of 250 degree-400 degree, annealing time is 30-60 minute;
Step 6: after the good alloy bar of will annealing cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling;
Step 7: again system head and with stretching die with double 37mm-63mm and the crop of being stretched to of alloy bar.With high precision wolfram steel thin skin mould the alloy bar peeling is annealed to 36mm-61mm again;
Step 8: with finishing die alloy bar is stretched as 35mm-60mm at last, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm;
Step 9: packing and warehouse-in.
Further, a kind of novel environment friendly adds the antimony alloy rod, is comprised of following weight percentage component: antimony 0.2%-1%, and tin 9%-12%, surplus is copper.
Further, above-mentioned novel environment friendly adds the preparation method of antimony alloy rod, may further comprise the steps:
Step 1: according to proportioning Dian Xie Tong ﹑ Xi ﹑ antimony is placed in the main frequency furnace, be heated to 1300 degree-1350 degree and be incubated to 1250 degree after the fusing fully;
Step 2: after the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 12-15cm;
After step 3: soaking time 1-1.5 hour, again be warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 60mm, and length is the solid alloy bar material of 2000mm;
Step 4: with a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 55mm;
Step 5: will make a good alloy bar with stretching die continuously elongated 3 times to 50mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 350-400 degree, annealing time is 30-60 minute;
Step 6: after the good alloy bar of will annealing cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling;
Step 7: again system head and with stretching die with double 47mm and the crop of being stretched to of alloy bar.With high precision wolfram steel thin skin mould the alloy bar peeling is annealed to 46mm again;
Step 8: with finishing die alloy bar is stretched as 45mm at last, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm;
Step 9: packing and warehouse-in.
Further, a kind of novel environment friendly adds the antimony alloy rod, is comprised of following weight percentage component: antimony 1%-3%, and tin 6%-8%, surplus is copper.
Further, above-mentioned novel environment friendly adds the preparation method of antimony alloy rod, may further comprise the steps:
Step 1: according to proportioning Dian Xie Tong ﹑ Xi ﹑ antimony is placed in the main frequency furnace, be heated to 1250 degree-1300 degree and be incubated to 1200 degree after the fusing fully;
Step 2: after the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 20cm;
After step 3: soaking time 30-50 minute, again be warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 50mm, and length is the solid alloy bar material of 2000mm;
Step 4: with a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 45mm;
Step 5: will make a good alloy bar with stretching die continuously elongated 2 times to 40mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 300-400 degree, annealing time is 30-60 minute;
Step 6: after the good alloy bar of will annealing cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling;
Step 7: again system head and with stretching die with double 37mm and the crop of being stretched to of alloy bar.With high precision wolfram steel thin skin mould the alloy bar peeling is annealed to 36mm again;
Step 8: with finishing die alloy bar is stretched as 35mm at last, tolerance is ± 0.05mm, and length scaling is 1000mm, and tolerance is ± 1.0mm;
Step 9: packing and warehouse-in.
Further, a kind of novel environment friendly adds the antimony alloy rod, is comprised of following weight percentage component: antimony 4%-5%, and tin 8%-10%, surplus is copper.
Further, above-mentioned novel environment friendly adds the preparation method of antimony alloy rod, may further comprise the steps:
Step 1: according to proportioning Dian Xie Tong ﹑ Xi ﹑ antimony is placed in the main frequency furnace, be heated to 1150 degree-1200 degree and be incubated to 1100 degree after the fusing fully;
Step 2: after the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 20-25cm;
After step 3: soaking time 1-1.5 hour, again be warming up to 1200 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 80mm, and length is the solid alloy bar material of 2000mm;
Step 4: with a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 75mm;
Step 5: will make a good alloy bar with stretching die continuously elongated 3 times to 70mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 300-350 degree, annealing time is 30-40 minute;
Step 6: after the good alloy bar of will annealing cools off 3-4 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling;
Step 7: again system head and with stretching die with double 63mm and the crop of being stretched to of alloy bar.With high precision wolfram steel thin skin mould the alloy bar peeling is annealed to 61mm again;
Step 8: with finishing die alloy bar is stretched as 60mm at last, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm;
Step 9: packing and warehouse-in.
Further, a kind of novel environment friendly adds the antimony alloy rod, is comprised of following weight percentage component: antimony 4%-5%, and tin 6%-8%, surplus is copper.
Further, above-mentioned novel environment friendly adds the preparation method of antimony alloy rod, may further comprise the steps:
Step 1: according to proportioning Dian Xie Tong ﹑ Xi ﹑ antimony is placed in the main frequency furnace, be heated to 1180 degree-1250 degree and be incubated to 1150 degree after the fusing fully;
Step 2: after the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 22-25cm;
After step 3: soaking time 1.5-2.0 hour, again be warming up to 1250 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 65mm, and length is the solid alloy bar material of 2000mm;
Step 4: with a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 60mm;
Step 5: will make a good alloy bar with stretching die continuously elongated 3 times to 55mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 250-300 degree;
Step 6: after the good alloy bar of will annealing cools off 4-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling;
Step 7: again system head and with stretching die with double 52mm and the crop of being stretched to of alloy bar.With high precision wolfram steel thin skin mould the alloy bar peeling is annealed to 51mm again, annealing time is 30-40 minute;
Step 8: with finishing die alloy bar is stretched as 50mm at last, tolerance is ± 0.05mm, and length scaling is 1000mm, and tolerance is ± 1.0mm;
Step 9: packing and warehouse-in.
Adopt technique scheme, beneficial effect of the present invention has:
Traditional lead element is replaced with antimony element, not only improved the environmental-protecting performance of this alloy bar, and can greatly put forward heavy alloyed tensile strength, alloy rigidity is promoted to 95-120HBS by original 70-80HBS, and improve its wear resistance.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning with 0.2%-5% weight percentage antimony, 6%-12% weight percentage tin, the electrolytic copper of surplus places in the main frequency furnace, be heated to 1150 the degree-1350 the degree fully the fusing after the insulation to 1100 the degree-1250 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 12-25cm.After soaking time 0.5-2.0 hour, again be warming up to 1200 degree-1350 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 50mm-80mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 45mm-75mm.With system good alloy bar with stretching die continuously elongated 3 times to 40mm-70mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealings of 250 degree-400 degree, annealing time is 30-60 minute.After the alloy bar that annealing is good cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 37mm-63mm and the crop of being stretched to of alloy bar.With alloy bar peeling again annealing to the 36mm-61mm, with finishing die alloy bar is stretched as 35mm-60mm at last with high precision wolfram steel thin skin mould, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Preparation is finished, packing and warehouse-in.
Adopt the novel environment friendly of aforesaid method preparation to add the antimony alloy rod, adopt antimony element to replace traditional lead element, avoided the caused environmental pollution of lead element, and can greatly put forward heavy alloyed tensile strength, hardness and wear resistance, wherein, the highest 120HNS that is increased to of alloy rigidity.
Embodiment 2
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning with 0.2%-1% weight percentage antimony, 9%-12% weight percentage tin, the copper of surplus places in the main frequency furnace, be heated to 1300 the degree-1350 the degree fully the fusing after the insulation to 1250 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 12-15cm.After soaking time 1-1.5 hour, again be warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 60mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 55mm.With system good alloy bar with stretching die continuously elongated 3 times to 50mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 350-400 degree, annealing time is 30-60 minute.After the alloy bar that annealing is good cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 47mm and the crop of being stretched to of alloy bar.With alloy bar peeling again annealing to the 46mm, with finishing die alloy bar is stretched as 45mm at last with high precision wolfram steel thin skin mould, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing and storing.
The novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness is the highest can to reach 110HBS, and wear resistance is good.
Embodiment 3
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning with 0.2% weight percentage antimony, 9% weight percentage tin, the Dian Xie Tong ﹑ Xi ﹑ antimony of surplus places in the main frequency furnace, be heated to 1300 the degree-1350 the degree fully the fusing after the insulation to 1250 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 12-15cm.After soaking time 1-1.5 hour, again be warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 60mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 55mm.With system good alloy bar with stretching die continuously elongated 3 times to 50mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 350-400 degree, annealing time is 30-60 minute.After the alloy bar that annealing is good cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 47mm and the crop of being stretched to of alloy bar.With alloy bar peeling again annealing to the 46mm, with finishing die alloy bar is stretched as 45mm at last with high precision wolfram steel thin skin mould, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing and warehouse-in.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness is 108HBS, and wear resistance is good.
Embodiment 4
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning with 1% weight percentage antimony, 12% weight percentage tin, the electrolytic copper of surplus places in the main frequency furnace, be heated to 1300 the degree-1350 the degree fully the fusing after the insulation to 1250 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 12-15cm.After soaking time 1-1.5 hour, again be warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 60mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 55mm.With system good alloy bar with stretching die continuously elongated 3 times to 50mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 350-400 degree, annealing time is 30-60 minute.After the alloy bar that annealing is good cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 47mm and the crop of being stretched to of alloy bar.With alloy bar peeling again annealing to the 46mm, with finishing die alloy bar is stretched as 45mm at last with high precision wolfram steel thin skin mould, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness is 109HBS, and wear resistance also is better than traditional lead-containing alloy rod.
Embodiment 5
A kind of novel environment friendly adds the preparation method of antimony alloy rod, is 1%-3% antimony according to proportioning with weight percentage, 6%-8% tin, and the electrolytic copper of surplus places in the main frequency furnace, is heated to 1250 degree-1300 degree and is incubated to 1200 degree after the fusing fully.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 20cm.After soaking time 30-50 minute, again be warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 50mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 45mm.With system good alloy bar with stretching die continuously elongated 2 times to 40mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 300-400 degree, annealing time is 30-60 minute.After the alloy bar that annealing is good cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 37mm and the crop of being stretched to of alloy bar.With alloy bar peeling again annealing to the 36mm, with finishing die alloy bar is stretched as 35mm at last with high precision wolfram steel thin skin mould, tolerance is ± 0.05mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness reaches as high as 120HBS, and wear resistance also is better than traditional lead-containing alloy rod.
Embodiment 6
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning with antimony 1% weight percentage, tin 6% weight percentage, the Dian Xie Tong ﹑ Xi ﹑ antimony of surplus places in the main frequency furnace, be heated to 1250 the degree-1300 the degree fully the fusing after the insulation to 1200 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 20cm.After soaking time 30-50 minute, again be warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 50mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 45mm.With system good alloy bar with stretching die continuously elongated 2 times to 40mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 300-400 degree, annealing time is 30-60 minute.After the alloy bar that annealing is good cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 37mm and the crop of being stretched to of alloy bar.With alloy bar peeling again annealing to the 36mm, with finishing die alloy bar is stretched as 35mm at last with high precision wolfram steel thin skin mould, tolerance is ± 0.05mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing and warehouse-in.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness is 118HBS, and wear resistance also is better than traditional lead-containing alloy rod.
Embodiment 7
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning with antimony 3% weight percentage, tin 8% weight percentage, the electrolytic copper of surplus places in the main frequency furnace, be heated to 1250 the degree-1300 the degree fully the fusing after the insulation to 1200 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 20cm.After soaking time 30-50 minute, again be warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 50mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 45mm.With system good alloy bar with stretching die continuously elongated 2 times to 40mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 300-400 degree, annealing time is 30-60 minute.After the alloy bar that annealing is good cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 37mm and the crop of being stretched to of alloy bar.With alloy bar peeling again annealing to the 36mm, with finishing die alloy bar is stretched as 35mm at last with high precision wolfram steel thin skin mould, tolerance is ± 0.05mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing and warehouse-in.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness is 119HBS, and wear resistance also is better than traditional lead-containing alloy rod.
Embodiment 8
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning with antimony 4%-5% weight percentage, tin 8%-10%, the electrolytic copper of surplus places in the main frequency furnace, be heated to 1150 the degree-1200 the degree fully the fusing after the insulation to 1100 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 20-25cm.After soaking time 1-1.5 hour, again be warming up to 1200 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 80mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 75mm.With system good alloy bar with stretching die continuously elongated 3 times to 70mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 300-350 degree, annealing time is 30-40 minute.After the alloy bar that annealing is good cools off 3-4 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 63mm and the crop of being stretched to of alloy bar.With alloy bar peeling again annealing to the 61mm, with finishing die alloy bar is stretched as 60mm at last with high precision wolfram steel thin skin mould, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing and warehouse-in.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness reaches as high as 110HBS, and wear resistance also is better than traditional lead-containing alloy rod.
Embodiment 9
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning will: antimony 4% weight percentage, tin 8% weight percentage, the electrolytic copper of surplus places in the main frequency furnace, be heated to 1150 the degree-1200 the degree fully the fusing after the insulation to 1100 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 20-25cm.After soaking time 1-1.5 hour, again be warming up to 1200 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 80mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 75mm.With system good alloy bar with stretching die continuously elongated 3 times to 70mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 300-350 degree, annealing time is 30-40 minute.After the alloy bar that annealing is good cools off 3-4 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 63mm and the crop of being stretched to of alloy bar.With high precision wolfram steel thin skin mould the alloy bar peeling is annealed to 61mm again.With finishing die alloy bar is stretched as 60mm at last, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing and warehouse-in.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness is 106HBS, and wear resistance also is better than traditional lead-containing alloy rod.
Embodiment 10
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning with antimony 5% weight percentage, tin 10% weight percentage, the electrolytic copper of surplus places in the main frequency furnace, be heated to 1150 the degree fully the fusing after the insulation to 1100 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 24cm.After the soaking time 1.5 hours, again be warming up to 1200 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 80mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 75mm.With system good alloy bar with stretching die continuously elongated 3 times to 70mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 330 degree, annealing time is will anneal in 30-40 minute after good alloy bar cools off 3-4 hour at normal temperatures, puts into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 63mm and the crop of being stretched to of alloy bar.With alloy bar peeling again annealing to the 61mm, with finishing die alloy bar is stretched as 60mm at last with high precision wolfram steel thin skin mould, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing and warehouse-in.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness is 109HBS, and wear resistance also is better than traditional lead-containing alloy rod.
Embodiment 11
The preparation method that a kind of novel environment friendly adds the antimony alloy rod according to proportioning with antimony 4%-5% weight percentage, tin 6%-8%, the electrolytic copper of surplus places in the main frequency furnace, be heated to 1180 degree-1250 degree fully after the fusing insulation to 1150 degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 22-25cm.After soaking time 1.5-2.0 hour, again be warming up to 1250 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 65mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 60mm.With system good alloy bar with stretching die continuously elongated 3 times to 55mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 250-300 degree.After the alloy bar that annealing is good cools off 4-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 52mm and the crop of being stretched to of alloy bar.With high precision wolfram steel thin skin mould the alloy bar peeling is annealed to 51mm again, annealing time is 30-40 minute.With finishing die alloy bar is stretched as 50mm at last, tolerance is ± 0.05mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing and warehouse-in.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness reaches as high as 115HBS, and wear resistance also is better than traditional lead-containing alloy rod.
Embodiment 12
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning will: antimony 4% weight percentage, tin 6% weight percentage, the electrolytic copper of surplus places in the main frequency furnace, be heated to 1250 the degree fully the fusing after the insulation to 1150 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 22-25cm.After the soaking time 2.0 hours, again be warming up to 1250 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 65mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 60mm.With system good alloy bar with stretching die continuously elongated 3 times to 55mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealings of 300 degree.After the alloy bar that annealing is good cools off 4-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 52mm and the crop of being stretched to of alloy bar.With high precision wolfram steel thin skin mould the alloy bar peeling is annealed to 51mm again, annealing time is 40 minutes.With finishing die alloy bar is stretched as 50mm at last, tolerance is ± 0.05mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing and warehouse-in.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness is 112HBS, and wear resistance also is better than traditional lead-containing alloy rod.
Embodiment 13
A kind of novel environment friendly adds the preparation method of antimony alloy rod, according to proportioning with antimony 5% weight percentage, tin 8% weight percentage, the electrolytic copper of surplus places in the main frequency furnace, be heated to 1200 the degree fully the fusing after the insulation to 1150 the degree.After the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 22-25cm.After the soaking time 1.8 hours, again be warming up to 1250 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second.Adopting horizontal continuous casting method to be cast as external diameter is 65mm, and length is the solid alloy bar material of 2000mm.With a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 60mm.With system good alloy bar with stretching die continuously elongated 3 times to 55mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealings of 280 degree.After the alloy bar that annealing is good cools off 4-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling.Again system head and with stretching die with double 52mm and the crop of being stretched to of alloy bar.With high precision wolfram steel thin skin mould the alloy bar peeling is annealed to 51mm again, annealing time is 30-40 minute.With finishing die alloy bar is stretched as 50mm at last, tolerance is ± 0.05mm, and length scaling is 1000mm, and tolerance is ± 1.0mm.Packing and warehouse-in.
After testing, the novel environment friendly of aforesaid method preparation adds the antimony alloy rod, and tensile strength is large, and hardness is 114HBS, and wear resistance also is better than traditional lead-containing alloy rod.
Novel environment friendly provided by the present invention adds the use that the antimony alloy rod has not only been avoided lead element, can not cause environmental pollution, and in hardness, all the lead-containing alloy rod than traditional is good on tensile strength and the wear resisting property, sees following table for details.
Table 1 novel environment friendly adds antimony alloy rod performance table
The above embodiment has only expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a novel environment friendly adds the antimony alloy rod, it is characterized in that, is comprised of following weight percentage component: antimony 0.2%-5%, and tin 6%-12%, surplus is copper.
2. novel environment friendly according to claim 1 adds the preparation method of antimony alloy rod, it is characterized in that may further comprise the steps:
Step 1: according to proportioning Dian Xie Tong ﹑ Xi ﹑ antimony is placed in the main frequency furnace, be heated to 1150 degree-1350 degree and be incubated to 1100 degree-1250 degree after the fusing fully;
Step 2: after the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 12-25cm;
After step 3: soaking time 0.5-2.0 hour, again be warming up to 1200 degree-1350 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, adopting horizontal continuous casting method to be cast as external diameter is 50mm-80mm, and length is the solid alloy bar material of 2000mm;
Step 4: with a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 45mm-75mm;
Step 5: will make a good alloy bar with stretching die continuously elongated 3 times to 40mm-70mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealings of 250 degree-400 degree, annealing time is 30-60 minute;
Step 6: after the good alloy bar of will annealing cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling;
Step 7: again system head and with stretching die with double 37mm-63mm and the crop of being stretched to of alloy bar, with high precision wolfram steel thin skin mould with alloy bar peeling again annealing to the 36mm-61mm;
Step 8: with finishing die alloy bar is stretched as 35mm-60mm at last, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm;
Step 9: packing and warehouse-in.
3. novel environment friendly according to claim 1 adds the antimony alloy rod, it is characterized in that, is comprised of following weight percentage component: antimony 0.2%-1%, and tin 9%-12%, surplus is copper.
4. the novel environment friendly described in according to claim 3 adds the preparation method of antimony alloy rod, it is characterized in that may further comprise the steps:
Step 1: according to proportioning Dian Xie Tong ﹑ Xi ﹑ antimony is placed in the main frequency furnace, be heated to 1300 degree-1350 degree and be incubated to 1250 degree after the fusing fully;
Step 2: after the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 12-15cm;
After step 3: soaking time 1-1.5 hour, again be warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, and adopting horizontal continuous casting method to be cast as external diameter is 60mm, and length is the solid alloy bar material of 2000mm;
Step 4: with a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 55mm;
Step 5: will make a good alloy bar with stretching die continuously elongated 3 times to 50mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 350-400 degree, annealing time is 30-60 minute;
Step 6: after the good alloy bar of will annealing cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling;
Step 7: again system head and with stretching die with double 47mm and the crop of being stretched to of alloy bar, with high precision wolfram steel thin skin mould with alloy bar peeling again annealing to the 46mm;
Step 8: with finishing die alloy bar is stretched as 45mm at last, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm;
Step 9: packing and warehouse-in.
5. novel environment friendly according to claim 1 adds the antimony alloy rod, it is characterized in that, is comprised of following weight percentage component: antimony 1%-3%, and tin 6%-8%, surplus is copper.
6. novel environment friendly according to claim 5 adds the preparation method of antimony alloy rod, it is characterized in that may further comprise the steps:
Step 1: according to proportioning Dian Xie Tong ﹑ Xi ﹑ antimony is placed in the main frequency furnace, be heated to 1250 degree-1300 degree and be incubated to 1200 degree after the fusing fully;
Step 2: after the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 20cm;
After step 3: soaking time 30-50 minute, again be warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, and adopting horizontal continuous casting method to be cast as external diameter is 50mm, and length is the solid alloy bar material of 2000mm;
Step 4: with a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 45mm;
Step 5: will make a good alloy bar with stretching die continuously elongated 2 times to 40mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 300-400 degree, annealing time is 30-60 minute;
Step 6: after the good alloy bar of will annealing cools off 3-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling;
Step 7: again system head and with stretching die with double 37mm and the crop of being stretched to of alloy bar, with high precision wolfram steel thin skin mould with alloy bar peeling again annealing to the 36mm;
Step 8: with finishing die alloy bar is stretched as 35mm at last, tolerance is ± 0.05mm, and length scaling is 1000mm, and tolerance is ± 1.0mm;
Step 9: packing and warehouse-in.
7. novel environment friendly according to claim 1 adds the antimony alloy rod, it is characterized in that, is comprised of following weight percentage component: antimony 4%-5%, and tin 8%-10%, surplus is copper.
8. novel environment friendly according to claim 7 adds the preparation method of antimony alloy rod, it is characterized in that may further comprise the steps:
Step 1: according to proportioning Dian Xie Tong ﹑ Xi ﹑ antimony is placed in the main frequency furnace, be heated to 1150 degree-1200 degree and be incubated to 1100 degree after the fusing fully;
Step 2: after the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 20-25cm;
After step 3: soaking time 1-1.5 hour, again be warming up to 1200 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, and adopting horizontal continuous casting method to be cast as external diameter is 80mm, and length is the solid alloy bar material of 2000mm;
Step 4: with a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 75mm;
Step 5: will make a good alloy bar with stretching die continuously elongated 3 times to 70mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 300-350 degree, annealing time is 30-40 minute;
Step 6: after the good alloy bar of will annealing cools off 3-4 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling;
Step 7: again system head and with stretching die with double 63mm and the crop of being stretched to of alloy bar, with high precision wolfram steel thin skin mould with alloy bar peeling again annealing to the 61mm;
Step 8: with finishing die alloy bar is stretched as 60mm at last, tolerance is ± 0.1mm, and length scaling is 1000mm, and tolerance is ± 1.0mm;
Step 9: packing and warehouse-in.
9. novel environment friendly according to claim 1 adds the antimony alloy rod, it is characterized in that, is comprised of following weight percentage component: antimony 4%-5%, and tin 6%-8%, surplus is copper.
10. novel environment friendly according to claim 9 adds the preparation method of antimony alloy rod, it is characterized in that may further comprise the steps:
Step 1: according to proportioning Dian Xie Tong ﹑ Xi ﹑ antimony is placed in the main frequency furnace, be heated to 1180 degree-1250 degree and be incubated to 1150 degree after the fusing fully;
Step 2: after the alloy liquid that will melt fully with special graphite instrument fully stirs, cover in the above high purity flaky graphite powder to prevent its oxidation, thickness is about 22-25cm;
After step 3: soaking time 1.5-2.0 hour, again be warming up to 1250 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, and adopting horizontal continuous casting method to be cast as external diameter is 65mm, and length is the solid alloy bar material of 2000mm;
Step 4: with a system machine one end of alloy bar being made length is 100mm, and diameter is the drawing section of 60mm;
Step 5: will make a good alloy bar with stretching die continuously elongated 3 times to 55mm and crop, adopt continuous annealing furnace to carry out the low-temperature annealing of 250-300 degree;
Step 6: after the good alloy bar of will annealing cools off 4-5 hour at normal temperatures, put into concentration and be 15% sulfuric acid pond pickling;
Step 7: again system head and with stretching die with double 52mm and the crop of being stretched to of alloy bar, with alloy bar peeling again annealing to the 51mm, annealing time is 30-40 minute with high precision wolfram steel thin skin mould;
Step 8: with finishing die alloy bar is stretched as 50mm at last, tolerance is ± 0.05mm, and length scaling is 1000mm, and tolerance is ± 1.0mm;
Step 9: packing and warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100160843A CN103060606A (en) | 2013-01-16 | 2013-01-16 | Novel environment-friendly antimony-added alloy bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100160843A CN103060606A (en) | 2013-01-16 | 2013-01-16 | Novel environment-friendly antimony-added alloy bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103060606A true CN103060606A (en) | 2013-04-24 |
Family
ID=48103495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100160843A Pending CN103060606A (en) | 2013-01-16 | 2013-01-16 | Novel environment-friendly antimony-added alloy bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103060606A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593637A (en) * | 2015-01-27 | 2015-05-06 | 苏州金仓合金新材料有限公司 | Novel copper-based alloy pipe for high speed railway and preparation method of alloy pipe |
| CN104630553A (en) * | 2015-01-27 | 2015-05-20 | 苏州金仓合金新材料有限公司 | Environment-friendly lead-free novel alloy material pipe and preparation method thereof |
| CN106282655A (en) * | 2016-08-09 | 2017-01-04 | 苏州金仓合金新材料有限公司 | A kind of antimony gunmetal alloy bar for high-speed railway equipment and preparation method thereof |
| WO2018028094A1 (en) * | 2016-08-09 | 2018-02-15 | 苏州金仓合金新材料有限公司 | Silicon carbide, antimony, tin, zinc and copper composite material for high-speed railway locomotive and preparation method therefor |
| CN111020282A (en) * | 2019-12-09 | 2020-04-17 | 苏州天兼新材料科技有限公司 | Novel copper-based alloy material for power equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628120A (en) * | 2012-04-25 | 2012-08-08 | 苏州金仓合金新材料有限公司 | Antimony-added high-tin bronze alloy rod for high-speed railway equipment and manufacturing method thereof |
-
2013
- 2013-01-16 CN CN2013100160843A patent/CN103060606A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628120A (en) * | 2012-04-25 | 2012-08-08 | 苏州金仓合金新材料有限公司 | Antimony-added high-tin bronze alloy rod for high-speed railway equipment and manufacturing method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593637A (en) * | 2015-01-27 | 2015-05-06 | 苏州金仓合金新材料有限公司 | Novel copper-based alloy pipe for high speed railway and preparation method of alloy pipe |
| CN104630553A (en) * | 2015-01-27 | 2015-05-20 | 苏州金仓合金新材料有限公司 | Environment-friendly lead-free novel alloy material pipe and preparation method thereof |
| CN106282655A (en) * | 2016-08-09 | 2017-01-04 | 苏州金仓合金新材料有限公司 | A kind of antimony gunmetal alloy bar for high-speed railway equipment and preparation method thereof |
| WO2018028094A1 (en) * | 2016-08-09 | 2018-02-15 | 苏州金仓合金新材料有限公司 | Silicon carbide, antimony, tin, zinc and copper composite material for high-speed railway locomotive and preparation method therefor |
| WO2018028097A1 (en) * | 2016-08-09 | 2018-02-15 | 苏州金仓合金新材料有限公司 | Antimony-tin-zinc-bronze alloy bar for high speed railway equipment and preparation method therefor |
| CN111020282A (en) * | 2019-12-09 | 2020-04-17 | 苏州天兼新材料科技有限公司 | Novel copper-based alloy material for power equipment |
| CN111020282B (en) * | 2019-12-09 | 2021-03-16 | 苏州天兼新材料科技有限公司 | Copper-based alloy material for power equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102628120B (en) | Antimony-added high-tin bronze alloy rod for high-speed railway equipment and manufacturing method thereof | |
| CN103045904B (en) | New environment-friendly lead-free silicon-containing alloy material and preparation method thereof | |
| CN103060606A (en) | Novel environment-friendly antimony-added alloy bar | |
| CN102828063A (en) | Novel lead-free environment-friendly high-strength wear-resistant copper-base alloy bar and preparation method thereof | |
| CN102758100B (en) | High-strength high-elasticity zinc-copper-nickel alloy and processing method thereof | |
| CN103555991B (en) | A kind of leadless environment-friendly copper-base alloy pipe and manufacture method thereof | |
| CN103555993A (en) | Lead-free environment-friendly copper base alloy bar and preparation method thereof | |
| CN106636729A (en) | Polybasic copper alloy plate and strip for power battery connector and preparation method thereof | |
| CN102337462B (en) | Production method for GCr15 bearing steel pipe | |
| CN105274386A (en) | High-performance complex multi-element phosphor bronze alloy material and preparation method thereof | |
| CN103740989A (en) | 5052 aluminum alloy base material for anodes, and method for producing 5052 aluminum alloy base material | |
| CN103572091A (en) | Copper alloy material, preparation method thereof and copper lead prepared thereby | |
| CN101823190A (en) | Aluminium-silicon alloy welding wire and preparation method thereof | |
| CN107604207A (en) | A kind of aluminium White brass alloy of highly conductive high intensity and preparation method thereof | |
| CN102634690B (en) | Production method of wear-resisting high-phosphorus copper alloy rod for ships and oceanographic engineering | |
| CN102851534A (en) | Rare earth copper alloy for electronic materials | |
| CN104232987B (en) | A kind of elasticity tin-brass alloy material and preparation working method thereof | |
| CN102634689A (en) | Rare earth copper alloy rod for petrochemical engineering equipment and preparation method of rare earth copper alloy rod | |
| CN102787254B (en) | Novel environment-friendly bismuth-tin-manganese alloy rod and preparation method thereof | |
| CN102485925A (en) | Copper-nickel-tin alloy and preparation method for wires thereof | |
| CN106834806B (en) | Corrosion-resistant zinc alloy and preparation method thereof | |
| CN103045896B (en) | Oceanographic engineering high-strength corrosion-resisting copper base alloy rod and preparation method thereof | |
| CN107858555A (en) | A kind of ocean engineering high-strength high Vulcan metal and preparation method thereof | |
| CN103045899B (en) | Lead-free environmentally-friendly high-intensity wear resistant copper-base novel alloy tube and preparation method thereof | |
| CN105177347A (en) | Rare-earth containing composite modificator suitable for Sn-P bronze alloy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130424 |