CN103555991A - Lead-free environment-friendly copper base alloy pipe and preparation method thereof - Google Patents
Lead-free environment-friendly copper base alloy pipe and preparation method thereof Download PDFInfo
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- CN103555991A CN103555991A CN201310589435.XA CN201310589435A CN103555991A CN 103555991 A CN103555991 A CN 103555991A CN 201310589435 A CN201310589435 A CN 201310589435A CN 103555991 A CN103555991 A CN 103555991A
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Abstract
The invention provides a lead-free environment-friendly copper base alloy pipe and a preparation method thereof. The lead-free environment-friendly copper base alloy pipe comprises the following components by weight percent: 1-7% of zinc, 0.5-7% of tin, 0.5-6% of silicon, 0.05-0.25% of phosphorus, 0.01-0.15% of manganese and the balance of copper. The lead-free environment-friendly copper base alloy pipe and the preparation method have the beneficial effects that the production process of continuous casting and rolling is adopted, thus omitting the steps of billet treatment and annealing extrusion in the traditional production process, shortening the production cycle, improving the production efficiency and greatly reducing the production cost; the alloy pipe adopts silicon instead of lead in the traditional copper alloys and is lead-free, thus avoiding environmental pollution caused by using lead and being beneficial to environmental protection; the lead-free environment-friendly copper base alloy pipe provided by the invention absolutely can replace tin bronze pipes containing lead.
Description
Technical field
The present invention relates to compo pipe production field, relate in particular to a kind of leadless environment-friendly copper base alloy pipe, and the manufacture method of this compo pipe.
Background technology
Existing tinbronze material tends to add lead element in order to realize its easy smear metal performance, leaded tinbronze has higher wear resistance and good workability, fine weldering and good welding performance, mainly for the manufacture of bearing the part of friction and carry out necessary welding in the empty ﹑ automobile of boat and other industrial sectors.But due to plumbous characteristic, when carrying out hot-work, very easily produce red brittleness, therefore can only carry out cold working, reduced the workability of compo pipe, and plumbous have very large harm to environment, along with the obvious raising of environmental consciousness, the bell metal that contains lead element can not meet the requirement of domestic and international high-end market.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of not leaded, the environmental protection copper base alloy pipe that workability is strong, and the manufacture method of this compo pipe.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A copper base alloy pipe, is comprised of the component of following weight percentage: zinc 1%～7%, and tin 0.5%～7%, silicon 0.5%～6%, phosphorus 0.05%～0.25%, manganese 0.01%～0.15%, surplus is copper.
Further, the weight percentage proportioning of each component is as follows: zinc 2%～6%, and tin 1.5%～6%, silicon 1%～5%, phosphorus 0.05%～0.25%, manganese 0.01%～0.15%, surplus is copper.
Further, the weight percentage proportioning of each component is as follows: zinc 3%～5%, and tin 2.5%～5%, silicon 2%～4%, phosphorus 0.05%～0.25%, manganese 0.01%～0.15%, surplus is copper.
Further, the weight percentage proportioning of each component is as follows: zinc: 4.5%, and tin: 4%, silicon: 3%, phosphorus: 0.2%, manganese: 0.08%, surplus is copper.
Further, the manufacture method of described leadless environment-friendly copper base alloy pipe, comprises following steps:
1) according to proportioning, Tong ﹑ phosphorus, Xi ﹑ Xin ﹑ Gui ﹑ manganese is placed in main frequency furnace, be heated to 1250 ℃～1300 ℃ completely fusing after, be cooled to 1200 ℃.
2), after the alloy liquid of fusing completely is fully stirred, cover in the above high purity flaky graphite powder to prevent its oxidation, and insulation.
3) 1200 ℃ of insulations, after 1.2～1.5 hours, are taken out sample in electric furnace, adopt direct-reading spectrometer to carry out three to five composition checks to sample, to determine that its alloying constituent is within specialized range.
4) be further incubated after 40～60 minutes, be again warming up to 1300 ℃, and open the vibrating device of main frequency furnace, adopt the method for continuous casting and rolling to produce alloy pipe.
5) with box-annealing furnace, copper pipe is carried out to anneal.
6) alloy pipe after annealing is completed carries out slight crack and pore flaw detection with ultrasonic reflectoscope alloy pipe, to choose substandard product, melts down.
Further, step 2), stir and adopt graphite rod.
Further, the thickness of Graphite Powder 99 step 2) is 11～13cm.
Further, the vibrational frequency of the vibrating device of main frequency furnace step 4) is 1 time/second.
The external diameter of the alloy pipe further, step 4) is Φ 55mm, and internal diameter is Φ 10mm, and length is 4000mm.
Further, step 5) described in, the annealing temperature of anneal is 200～300 ℃, and annealing time is 20～30 minutes.
Adopt above technical scheme, the present invention replaces with element silicon by traditional lead element, according to zinc, tin, silicon, phosphorus, manganese, the certain composition proportion of copper, suitable temperature, by the production technique of continuous casting and rolling, complete the production of alloy pipe, can replace the tin bronze alloys tubing that contains lead element completely.And the present invention adopts the production technique of continuous casting and rolling, saved billet processing and the annealing pressing steps in traditional processing technology.Therefore the present invention has not only obtained the alternative existing leadless environment-friendly alloy material containing Redford alloy, and has shortened the production cycle, has improved production efficiency, greatly reduces production cost.
Accompanying drawing explanation
Fig. 1 is production technological process of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, 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, and a kind of leadless environment-friendly copper base alloy pipe is comprised of the component of following weight percentage: zinc: 2%, and tin: 0.5%, silicon: 4.5%, phosphorus: 0.25%, manganese: 0.01%, surplus is copper.Its manufacturing process flow as shown in Figure 1, carries out following steps successively:
Each component is weighed up by proportioning, and be placed in main frequency furnace and be heated to after 1250 ℃ of fusings, with graphite rod, stir, and cover the high purity flaky graphite powder that 12cm is thick thereon, anti-oxidation, be incubated 1 hour, detect alloying constituent whether in specialized range, detection complete and qualified after, continue insulation about 40 minutes, again be warming up to 1300 ℃, open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, adopting the method production external diameter of continuous casting and rolling is Φ 55mm, internal diameter is Φ 10mm, length is the alloy pipe of 4000mm, at 200 ℃, metal pipe material is carried out to anneal, annealing time is 20 minutes, annealed and with ultrasonic reflectoscope alloy pipe, carried out the flaw detection of slight crack and pore afterwards, salable product carry out packed and transported, substandard product melts down.
Gained leadless environment-friendly copper base alloy pipe is carried out to wear resistance and hardness test, test its physicals, acquired results is as shown in table 1.
Embodiment 2, and a kind of leadless environment-friendly copper base alloy pipe is comprised of the component of following weight percentage: zinc: 1%, and tin: 7%, silicon: 1.5%, phosphorus: 0.1%, manganese: 0.1%, surplus is copper.Its manufacturing process flow as shown in Figure 1, carries out following steps successively:
Each component is weighed up by proportioning, and be placed in main frequency furnace and be heated to after 1290 ℃ of fusings, with graphite rod, stir, and cover the high purity flaky graphite powder that 11cm is thick thereon, anti-oxidation, be incubated 1.3 hours, detect alloying constituent whether in specialized range, detection complete and qualified after, continue insulation about 50 minutes, again be warming up to 1300 ℃, open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, adopting the method production external diameter of continuous casting and rolling is Φ 55mm, internal diameter is Φ 10mm, length is the alloy pipe of 4000mm, at 260 ℃, metal pipe material is carried out to anneal, annealing time is 25 minutes, annealed and with ultrasonic reflectoscope alloy pipe, carried out the flaw detection of slight crack and pore afterwards, salable product carry out packed and transported, substandard product melts down.
Gained leadless environment-friendly copper base alloy pipe is carried out to wear resistance and hardness test, test its physicals, acquired results is as shown in table 1.
Embodiment 3, and a kind of leadless environment-friendly copper base alloy pipe is comprised of the component of following weight percentage: zinc: 4.5%, and tin: 4%, silicon: 3%, phosphorus: 0.2%, manganese: 0.08%, surplus is copper.Its manufacturing process flow as shown in Figure 1, carries out following steps successively:
Each component is weighed up by proportioning, and be placed in main frequency furnace and be heated to after 1300 ℃ of fusings, with graphite rod, stir, and cover the high purity flaky graphite powder that 13cm is thick thereon, anti-oxidation, be incubated 1.5 hours, detect alloying constituent whether in specialized range, detection complete and qualified after, continue insulation about 60 minutes, again be warming up to 1300 ℃, open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, adopting the method production external diameter of continuous casting and rolling is Φ 55mm, internal diameter is Φ 10mm, length is the alloy pipe of 4000mm, at 300 ℃, metal pipe material is carried out to anneal, annealing time is 30 minutes, annealed and with ultrasonic reflectoscope alloy pipe, carried out the flaw detection of slight crack and pore afterwards, salable product carry out packed and transported, substandard product melts down.
Gained leadless environment-friendly copper base alloy pipe is carried out to wear resistance and hardness test, test its physicals, acquired results is as shown in table 1.
Embodiment 4, and a kind of leadless environment-friendly copper base alloy pipe is comprised of the component of following weight percentage: zinc: 6%, and tin: 5.5%, silicon: 6%, phosphorus: 0.05%, manganese: 0.05%, surplus is copper.Its manufacturing process flow as shown in Figure 1, carries out following steps successively:
Each component is weighed up by proportioning, and be placed in main frequency furnace and be heated to after 1290 ℃ of fusings, with graphite rod, stir, and cover the high purity flaky graphite powder that 11cm is thick thereon, anti-oxidation, be incubated 1.3 hours, detect alloying constituent whether in specialized range, detection complete and qualified after, continue insulation about 40 minutes, again be warming up to 1300 ℃, open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, adopting the method production external diameter of continuous casting and rolling is Φ 55mm, internal diameter is Φ 10mm, length is the alloy pipe of 4000mm, at 250 ℃, metal pipe material is carried out to anneal, annealing time is 30 minutes, annealed and with ultrasonic reflectoscope alloy pipe, carried out the flaw detection of slight crack and pore afterwards, salable product carry out packed and transported, substandard product melts down.
Gained leadless environment-friendly copper base alloy pipe is carried out to wear resistance and hardness test, test its physicals, acquired results is as shown in table 1.
Embodiment 5, and a kind of leadless environment-friendly copper base alloy pipe is comprised of the component of following weight percentage: zinc: 7%, and tin: 2%, silicon: 0.5%, phosphorus: 0.15%, manganese: 0.15%, surplus is copper.Its manufacturing process flow as shown in Figure 1, carries out following steps successively:
Each component is weighed up by proportioning, and be placed in main frequency furnace and be heated to after 1300 ℃ of fusings, with graphite rod, stir, and cover the high purity flaky graphite powder that 12cm is thick thereon, anti-oxidation, be incubated 1.5 hours, detect alloying constituent whether in specialized range, detection complete and qualified after, continue insulation about 50 minutes, again be warming up to 1300 ℃, open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, adopting the method production external diameter of continuous casting and rolling is Φ 55mm, internal diameter is Φ 10mm, length is the alloy pipe of 4000mm, at 280 ℃, metal pipe material is carried out to anneal, annealing time is 25 minutes, annealed and with ultrasonic reflectoscope alloy pipe, carried out the flaw detection of slight crack and pore afterwards, salable product carry out packed and transported, substandard product melts down.
Gained leadless environment-friendly copper base alloy pipe is carried out to wear resistance and hardness test, test its physicals, acquired results is as shown in table 1.
Table 1 leadless environment-friendly copper base alloy pipe performance comparison table
Leadless environment-friendly copper base alloy pipe manufacturing method provided by the invention adopts the production technique of continuous casting and rolling, saved billet processing and the annealing pressing steps in traditional processing technology, through slight crack and pore flaw detection, qualified product carry out packed and transported, and substandard product melts down.
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 the scope of the claims of the present invention.It 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 leadless environment-friendly copper base alloy pipe, is characterized in that, the component of following weight percentage, consists of: zinc 1%～7%, and tin 0.5%～7%, silicon 0.5%～6%, phosphorus 0.05%～0.25%, manganese 0.01%～0.15%, surplus is copper.
2. leadless environment-friendly copper base alloy rod according to claim 1, is characterized in that, the weight percentage proportioning of each component is as follows: zinc 2%～6%, and tin 1.5%～6%, silicon 1%～5%, phosphorus 0.05%～0.25%, manganese 0.01%～0.15%, surplus is copper.
3. leadless environment-friendly copper base alloy rod according to claim 1, is characterized in that, the weight percentage proportioning of each component is as follows: zinc 3%～5%, and tin 2.5%～5%, silicon 2%～4%, phosphorus 0.05%～0.25%, manganese 0.01%～0.15%, surplus is copper.
4. leadless environment-friendly copper base alloy rod according to claim 1, is characterized in that, the weight percentage proportioning of each component is as follows: zinc: 4.5%, and tin: 4%, silicon: 3%, phosphorus: 0.2%, manganese: 0.08%, surplus is copper.
5. a manufacture method for leadless environment-friendly copper base alloy pipe, is characterized in that, comprises following steps:
1) according to proportioning, copper, phosphorus, tin, zinc, silicon, manganese are placed in main frequency furnace, be heated to 1250 ℃～1300 ℃ completely fusing after, be cooled to 1200 ℃;
2), after the aluminium alloy of fusing completely is fully stirred, on aluminium alloy, cover high purity flaky graphite powder to prevent its oxidation, and insulation;
3) 1200 ℃ of insulations, after 1.2～1.5 hours, are taken out sample in electric furnace, adopt direct-reading spectrometer to carry out composition detection three to five times to sample, to determine that its alloying constituent is within specialized range;
4) be further incubated after 40～60 minutes, be again warming up to 1300 ℃, and open the vibrating device of main frequency furnace, adopt the method for continuous casting and rolling to produce alloy pipe;
5) with box-annealing furnace, copper alloy tube is carried out to anneal;
6) alloy pipe after annealing is completed carries out slight crack and pore flaw detection with ultrasonic reflectoscope alloy pipe, to choose substandard product, melts down.
6. the manufacture method of leadless environment-friendly copper base alloy pipe according to claim 3, is characterized in that step 2) described in stir to adopt graphite rod.
7. the manufacture method of leadless environment-friendly copper base alloy pipe according to claim 3, is characterized in that step 2) described in the thickness of Graphite Powder 99 be 11～13cm.
8. the manufacture method of leadless environment-friendly copper base alloy pipe according to claim 3, is characterized in that step 4) described in the vibrational frequency of vibrating device of main frequency furnace be 1 time/second.
9. the manufacture method of leadless environment-friendly copper base alloy pipe according to claim 3, is characterized in that step 4) described in the external diameter of alloy pipe be Φ 55mm, internal diameter is Φ 10mm, length is 4000mm.
10. the manufacture method of leadless environment-friendly copper base alloy pipe according to claim 3, is characterized in that step 5) described in the annealing temperature of anneal be 200～300 ℃, annealing time is 20～30 minutes.
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| CN104818405A (en) * | 2015-05-12 | 2015-08-05 | 苏州列治埃盟新材料技术转移有限公司 | Environment-friendly lead-free alloy new material alloy pipe and preparation method thereof |
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| CN104831114A (en) * | 2015-05-12 | 2015-08-12 | 苏州列治埃盟新材料技术转移有限公司 | Novel multicomponent environment-friendly lead-free alloy new material alloy bar and preparation method thereof |
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| JPS59170231A (en) * | 1983-03-17 | 1984-09-26 | Nippon Mining Co Ltd | High tension conductive copper alloy |
| ATE482294T1 (en) * | 2004-08-10 | 2010-10-15 | Mitsubishi Shindo Kk | CASTING MADE OF COPPER-BASED ALLOY WITH REFINED CRYSTAL GRAINS |
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| WO2019029018A1 (en) * | 2017-08-07 | 2019-02-14 | 苏州列治埃盟新材料技术转移有限公司 | Copper-based alloy material for electronic hardware of locomotive and preparation method thereof |
| CN114250380A (en) * | 2021-12-07 | 2022-03-29 | Apm(摩纳哥)有限责任公司 | Anti-oxidation red metal alloy material and preparation method thereof |
| CN114250380B (en) * | 2021-12-07 | 2022-12-13 | Apm(摩纳哥)有限责任公司 | Anti-oxidation red metal alloy material and preparation method thereof |
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Address after: 215412 Changsheng formation, Ludong village, Ludu Town, Taicang City, Suzhou City, Jiangsu Province Patentee after: SUZHOU TIANQIAN NEW MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 215412 Changsheng formation, Ludong village, Ludu Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: SUZHOU TIANJIAN METAL NEW-MATERIAL Co.,Ltd. |
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Effective date of registration: 20221110 Address after: No. 88, Zhenghe Middle Road, Ludu Town, Taicang City, Suzhou City, Jiangsu Province, 215400 Patentee after: SUZHOU JINCANG ALLOY NEW-MATERIAL Co.,Ltd. Address before: 215412 Changsheng formation, Ludong village, Ludu Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: SUZHOU TIANQIAN NEW MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. |