CN103276243A - Titanium alloy coil rod and production method thereof - Google Patents
Titanium alloy coil rod and production method thereof Download PDFInfo
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- CN103276243A CN103276243A CN2013102437013A CN201310243701A CN103276243A CN 103276243 A CN103276243 A CN 103276243A CN 2013102437013 A CN2013102437013 A CN 2013102437013A CN 201310243701 A CN201310243701 A CN 201310243701A CN 103276243 A CN103276243 A CN 103276243A
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Abstract
The invention provides a titanium alloy coil rod and a production method thereof. The titanium alloy coil rod comprises the following components in percentage by weight: 15.0 to 6.0 percent of A, 3.0 to 4.0 percent of V, less than or equal to 0.25 percent of Fe, less than or equal to 0.06 percent of C, less than or equal to 0.05 percent of N, less than or equal to 0.012 percent of H, less than or equal to 0.16 percent of O and the balance of Ti and unavoidable impurities. The titanium alloy coil rod is obtained by performing steps of heating, rough rolling, medium rolling, pre-finish-rolling, finish rolling, spinning looping, air cooling, coil collection and air cooling. According to the invention, heating only needs to be carried out once; the rhythm of production is rapid; production efficiency and yield of the titanium alloy coil rod are greatly improved; mass continuous production can be realized; heating cost is effectively reduced; the energy saving effect is obvious; large-coil heavy titanium alloy coil rod can be efficiently produced by utilizing the method; and the product has high size accuracy and good structure property.
Description
Technical field
The present invention relates to a kind of titanium alloy and production method thereof, belong to nonferrous materials processing and field shaping technique.
Background technology
Titanium alloy wire is because of its excellent corrosion resistance nature and high specific strength, strong characteristics such as human body avidity, and is widely used in fields such as aerospace, automobile, tool connection, medicine equipment.The titanium alloy line, the silk material production, adopt discontinuous formula rolling mode usually, with titanium alloy be rolled into φ 6～φ 10 line, the silk base, be drawn into again required specification wire rod or the silk material.The production method of existing titanium alloy line, silk base is generally and forges or swage, and these two kinds of methods all need heating for multiple times, have the energy consumption height, and labour intensity is big, and production efficiency is low, and the product size fluctuation is big, shortcomings such as type quality difference.In recent years also occur utilizing hot rolling to produce the method for titanium alloy rod, wire rod.
Chinese patent CN201110411752.3 provides a kind of working method of the TC4 of production titanium alloy large size bar, this method is forged processing by many fire, obtaining diameter is 200mm～400mm, length is not less than the TC4 titanium alloy rod bar of 2500mm, this method can obtain uniform crystal particles, the product that subsurface defect is few, but need forge through too much fire, complex procedures, time-consuming; Chinese patent CN200610069108.1 provides a kind of method by the rolling titanium or titanium alloy rod of three-roller Y shaped continuous mill wire rod, this method only needs once heating, and carry out continous way production, obtaining diameter is the one-tenth spiral base of 8～30mm, the product substance reaches 50～100kg, compare traditional forging or swage, product improves having aspect energy consumption, production efficiency and the workpiece measurement precision more significantly.But the market requirement that strengthens day by day along with titanium alloy wire, and the user is to improving constantly that monovolume weight and quality product require, prior art has still manifested deficiencies such as production efficiency is low, unstable product quality.
Summary of the invention
For effective improve production efficiency and product quality, satisfy the market requirement that strengthens day by day, the invention provides a kind of titanium alloy wire rod and production method thereof.
The present invention realizes by following technical proposal: a kind of titanium alloy wire rod is characterized in that comprising following each composition and weight percent thereof:
Al 5.0～6.0wt%
V 3.0～4.0wt%
Fe ≤0.25wt%
C ≤0.06wt%
N ≤0.05wt%
H ≤0.012wt%
O ≤0.16wt%
All the other are Ti and inevitable impurity.
Another object of the present invention is to provide a kind of production method of titanium alloy wire rod, it is characterized in that through the following step:
A, will through comprising of turning following each composition and weight percent thereof the titanium alloy square billet heat, by 5～7 ℃/minute heating rate, when being heated to 900～980 ℃, be incubated 80～120 minutes:
Al 5.0～6.0wt%
V 3.0～4.0wt%
Fe ≤0.25wt%
C ≤0.06wt%
N ≤0.05wt%
H ≤0.012wt%
O ≤0.16wt%
All the other are Ti and inevitable impurity;
B, steps A gained titanium alloy square billet being rolled, is that 800～880 ℃, roll speed are under the condition of 0.1～0.5m/s at start rolling temperature, and roughing 6 passages get the roughing part; Be that 750～830 ℃, roll speed are under the condition of 1.0～2.0m/s in temperature, roll 6 passages during the roughing part is carried out, get middle rolled piece; Be that 700～750 ℃, roll speed are under the condition of 3.0～10m/s in temperature out, the centering rolled piece carries out pre-finish rolling 6～8 passages, gets pre-finish rolling part; Be that 680～730 ℃, roll speed are under the condition of 40～70m/s in temperature, pre-finish rolling part is carried out finish rolling 6～10 passages, get the finish rolling part;
C, with the finish rolling part of step B, under 820～870 ℃ of temperature, weave silk into the titanium circle;
D, the titanium circle of step C is cooled off, and the control final cooling temperature is 500～550 ℃, collect volume then after, treat natural air cooling to room temperature, namely obtain the titanium alloy wire rod.
The cross section length of side of the titanium alloy square billet of described steps A is 130～160mm, and length is 5～11m.
Carry out crop before the roughing part of described step B rolls and handle in entering, to improve the rolled piece bite condition, guarantee rollingly to carry out smoothly.
The finish rolling part of described step B needs size is monitored, to improve dimensional accuracy of products.Caliper is housed after finishing train workpiece measurement is carried out on-line monitoring.
The present invention compared with prior art has the following advantages:
1, only needs once heating just can produce the titanium alloy wire rod that substance surpasses 300kg by the present invention, effectively improved production efficiency and the lumber recovery of titanium alloy wire rod;
2, the present invention has improved roll speed and rolling power by the rolling control of full continuous high speed;
3, the present invention has obtained desirable metallographic structure and physicals by air-cooled control.
Embodiment
Be described further below in conjunction with the present invention of embodiment.
Embodiment 1
A, will be through turning, the cross section length of side is that 130mm, length are 5m, comprises that the titanium alloy square billet of following each composition and weight percent thereof places conventional resistance-type process furnace to heat, by 5 ℃/minute heating rate, when being heated to 900 ℃, be incubated 80 minutes:
Al 5.0wt%
V 3.0wt%
Fe 0.21wt%
C 0.05wt%
N 0.05wt%
H 0.010wt%
O 0.15wt%
All the other are Ti and inevitable impurity;
B, sending conventional milling train to be rolled steps A gained titanium alloy square billet, is that 800 ℃, roll speed are under the condition of 0.2m/s at start rolling temperature, and roughing 6 passages get the roughing part; Carry out crop again and handle, to improve the rolled piece bite condition, guarantee rollingly to carry out smoothly; Be that 750 ℃, roll speed are under the condition of 1.0m/s in temperature then, roll 6 passages during the roughing part is carried out, get middle rolled piece; Be that 700 ℃, roll speed are under the condition of 3.0m/s in temperature out, the centering rolled piece carries out pre-finish rolling 8 passages, gets pre-finish rolling part; Be that 680 ℃, roll speed are under the condition of 45m/s in temperature, pre-finish rolling part is carried out finish rolling 10 passages, get the finish rolling part; Caliper is housed after finishing train finish rolling part size is carried out on-line monitoring, to improve dimensional accuracy of products;
C, send conventional Laying head with the finish rolling part of step B, under 820 ℃ of temperature, weave silk into the titanium circle;
D, send conventional air-cooled line to cool off on the titanium circle of step C, and the control final cooling temperature is 500 ℃, send conventional collection reel to collect volume then after, treat natural air cooling to room temperature, namely obtain the titanium alloy wire rod.The chemical ingredients of this titanium alloy wire rod is: Al5.0wt%, V3.0wt%, Fe0.21wt%, C0.05wt%, N0.05wt%, H0.010wt%, O0.15wt%, all the other are Ti and inevitable impurity.
Embodiment 2
A, will through turning, the cross section length of side is that 150mm, length are that titanium alloy square billet 5.5m, that comprise following each composition and weight percent thereof places conventional resistance-type process furnace to heat, heating rate by 6 ℃/minute, when being heated to 950 ℃, be incubated 100 minutes:
Al 5.6wt%、
V 3.5wt%、
Fe 0.18wt%、
C 0.04wt%、
N 0.02wt%、
H 0.007wt%、
O 0.09wt%、
All the other are Ti and inevitable impurity;
B, sending conventional milling train to be rolled steps A gained titanium alloy square billet, is that 850 ℃, roll speed are under the condition of 0.3m/s at start rolling temperature, and roughing 6 passages get the roughing part; Carry out crop again and handle, to improve the rolled piece bite condition, guarantee rollingly to carry out smoothly; Be that 800 ℃, roll speed are under the condition of 1.5m/s in temperature then, roll 6 passages during the roughing part is carried out, get middle rolled piece; Be that 730 ℃, roll speed are under the condition of 6m/s in temperature out, the centering rolled piece carries out pre-finish rolling 7 passages, gets pre-finish rolling part; Be that 700 ℃, roll speed are under the condition of 55m/s in temperature, pre-finish rolling part is carried out finish rolling 8 passages, get the finish rolling part; Caliper is housed after finishing train finish rolling part size is carried out on-line monitoring, to improve dimensional accuracy of products;
C, send conventional Laying head with the finish rolling part of step B, under 850 ℃ of temperature, weave silk into the titanium circle;
D, send conventional air-cooled line to cool off on the titanium circle of step C, and the control final cooling temperature is 530 ℃, send conventional collection reel to collect volume then after, treat natural air cooling to room temperature, namely obtain the titanium alloy wire rod.The chemical ingredients of this titanium alloy wire rod is: Al5.6wt%, V3.5wt%, Fe0.18wt%, C0.04wt%, N0.02wt%, H0.007wt%, O0.09wt%, all the other are Ti and inevitable impurity.
Embodiment 3
A, will through turning, the cross section length of side is that 160mm, length are that titanium alloy square billet 10m, that comprise following each composition and weight percent thereof places conventional resistance-type process furnace to heat, heating rate by 7 ℃/minute, when being heated to 980 ℃, be incubated 120 minutes:
Al 6.0wt%、
V 3.3wt%、
Fe 0.09wt%、
C 0.02wt%、
N 0.01wt%、
H 0.006wt%、
O 0.14wt%、
All the other are Ti and inevitable impurity;
B, sending conventional milling train to be rolled steps A gained titanium alloy square billet, is that 880 ℃, roll speed are under the condition of 0.5m/s at start rolling temperature, and roughing 6 passages get the roughing part; Carry out crop again and handle, to improve the rolled piece bite condition, guarantee rollingly to carry out smoothly; Be that 830 ℃, roll speed are under the condition of 2.0m/s in temperature then, roll 6 passages during the roughing part is carried out, get middle rolled piece; Be that 750 ℃, roll speed are under the condition of 10m/s in temperature out, the centering rolled piece carries out pre-finish rolling 6 passages, gets pre-finish rolling part; Be that 730 ℃, roll speed are under the condition of 70m/s in temperature, pre-finish rolling part is carried out finish rolling 6 passages, get the finish rolling part; Caliper is housed after finishing train finish rolling part size is carried out on-line monitoring, to improve dimensional accuracy of products;
C, send conventional Laying head with the finish rolling part of step B, under 870 ℃ of temperature, weave silk into the titanium circle;
D, send conventional air-cooled line to cool off on the titanium circle of step C, and the control final cooling temperature is 550 ℃, send conventional collection reel to collect volume then after, treat natural air cooling to room temperature, namely obtain the titanium alloy wire rod.The chemical ingredients of this titanium alloy wire rod is: Al 6.0wt%, V 3.3wt%, Fe0.09 wt%, C 0.02wt%, N 0.01 wt%, H 0.006 wt%, O 0.14wt%, all the other are Ti and inevitable impurity.
Embodiment 4
A, will through turning, the cross section length of side is that 150mm, length are that titanium alloy square billet 11m, that comprise following each composition and weight percent thereof places conventional resistance-type process furnace to heat, heating rate by 6 ℃/minute, when being heated to 950 ℃, be incubated 100 minutes:
Al 5.6wt%、
V 4 wt%、
Fe 0.25wt%、
C 0.06wt%、
N 0.02wt%、
H 0.012wt%、
O 0.16wt%、
All the other are Ti and inevitable impurity;
B, sending conventional milling train to be rolled steps A gained titanium alloy square billet, is that 850 ℃, roll speed are under the condition of 0.3m/s at start rolling temperature, and roughing 6 passages get the roughing part; Carry out crop again and handle, to improve the rolled piece bite condition, guarantee rollingly to carry out smoothly; Be that 800 ℃, roll speed are under the condition of 1.5m/s in temperature then, roll 6 passages during the roughing part is carried out, get middle rolled piece; Be that 730 ℃, roll speed are under the condition of 6m/s in temperature out, the centering rolled piece carries out pre-finish rolling 7 passages, gets pre-finish rolling part; Be that 700 ℃, roll speed are under the condition of 55m/s in temperature, pre-finish rolling part is carried out finish rolling 8 passages, get the finish rolling part; Caliper is housed after finishing train finish rolling part size is carried out on-line monitoring, to improve dimensional accuracy of products;
C, send conventional Laying head with the finish rolling part of step B, under 850 ℃ of temperature, weave silk into the titanium circle;
D, send conventional air-cooled line to cool off on the titanium circle of step C, and the control final cooling temperature is 530 ℃, send conventional collection reel to collect volume then after, treat natural air cooling to room temperature, namely obtain the titanium alloy wire rod.The chemical ingredients of this titanium alloy wire rod is: Al5.6wt%, V4wt%, Fe0.25wt%, C0.06wt%, N0.02wt%, H0.012wt%, O0.16wt%, all the other are Ti and inevitable impurity.
Claims (5)
1. titanium alloy wire rod is characterized in that comprising following each composition and weight percent thereof:
Al 5.0～6.0wt%
V 3.0～4.0wt%
Fe ≤0.25wt%
C ≤0.06wt%
N ≤0.05wt%
H ≤0.012wt%
O ≤0.16wt%
All the other are Ti and inevitable impurity.
2. the production method of a titanium alloy wire rod is characterized in that through the following step:
A, will through comprising of turning following each composition and weight percent thereof the titanium alloy square billet heat, by 5～7 ℃/minute heating rate, when being heated to 900～980 ℃, be incubated 80～120 minutes:
Al 5.0～6.0wt%
V 3.0～4.0wt%
Fe ≤0.25wt%
C ≤0.06wt%
N ≤0.05wt%
H ≤0.012wt%
O ≤0.16wt%
All the other are Ti and inevitable impurity;
B, with steps A gained titanium alloy square billet, be that 800～880 ℃, roll speed are under the condition of 0.1～0.5m/s at start rolling temperature, roughing 6 passages get the roughing part; Be that 750～830 ℃, roll speed are under the condition of 1.0～2.0m/s in temperature, roll 6 passages during the roughing part is carried out, get middle rolled piece; Be that 700～750 ℃, roll speed are under the condition of 3.0～10m/s in temperature out, the centering rolled piece carries out pre-finish rolling 6～8 passages, gets pre-finish rolling part; Be that 680～730 ℃, roll speed are under the condition of 40～70m/s in temperature, pre-finish rolling part is carried out finish rolling 6～10 passages, get the finish rolling part;
C, the finish rolling part of step B is carried out routine weave silk into the titanium circle under 820～870 ℃ of temperature;
D, the titanium circle of step C is carried out the routine cooling, and the control final cooling temperature is 500～550 ℃, carries out then after routine collection rolls up that natural air cooling namely obtains the titanium alloy wire rod to room temperature.
3. the production method of titanium alloy wire rod according to claim 2, it is characterized in that: the cross section length of side of the titanium alloy square billet of described steps A is 130～160mm, length is 5～11m.
4. the production method of titanium alloy wire rod according to claim 2 is characterized in that: carry out crop before the roughing part of described step B rolls and handle in entering.
5. the production method of titanium alloy wire rod according to claim 2 is characterized in that: the finish rolling part of described step B needs monitor size.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028553A (en) * | 2014-05-30 | 2014-09-10 | 云南钛业股份有限公司 | Method for producing TC4 titanium alloy rods and wires through high-speed continuous mill |
| CN105149346A (en) * | 2015-09-07 | 2015-12-16 | 云南钛业股份有限公司 | Method of producing TA10 alloy wire rods through high-speed wire mill |
| CN105970019A (en) * | 2016-05-13 | 2016-09-28 | 大连盛辉钛业有限公司 | Medical high-strength Ti-6Al-4V alloy wire and preparation technique and application thereof |
| CN108950298A (en) * | 2018-06-06 | 2018-12-07 | 湖北第二师范学院 | A kind of biomedical implantation anti-hydrogen embrittlement titanium alloy and its production method |
| CN109433848A (en) * | 2018-11-29 | 2019-03-08 | 沈阳瀚瑞达钛业有限公司 | A method of titanium silk is produced using titanium band |
| CN113000599A (en) * | 2020-12-30 | 2021-06-22 | 云南钛业股份有限公司 | Production method for efficiently rolling titanium alloy wire rod |
| CN116727587A (en) * | 2023-08-11 | 2023-09-12 | 成都先进金属材料产业技术研究院股份有限公司 | TB5 titanium alloy wire and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104028553A (en) * | 2014-05-30 | 2014-09-10 | 云南钛业股份有限公司 | Method for producing TC4 titanium alloy rods and wires through high-speed continuous mill |
| CN105149346A (en) * | 2015-09-07 | 2015-12-16 | 云南钛业股份有限公司 | Method of producing TA10 alloy wire rods through high-speed wire mill |
| CN105970019A (en) * | 2016-05-13 | 2016-09-28 | 大连盛辉钛业有限公司 | Medical high-strength Ti-6Al-4V alloy wire and preparation technique and application thereof |
| CN105970019B (en) * | 2016-05-13 | 2018-06-19 | 大连盛辉钛业有限公司 | Medical high-strength degree Ti-6Al-4V alloy wires and its preparation process and application |
| CN108950298A (en) * | 2018-06-06 | 2018-12-07 | 湖北第二师范学院 | A kind of biomedical implantation anti-hydrogen embrittlement titanium alloy and its production method |
| CN109433848A (en) * | 2018-11-29 | 2019-03-08 | 沈阳瀚瑞达钛业有限公司 | A method of titanium silk is produced using titanium band |
| CN113000599A (en) * | 2020-12-30 | 2021-06-22 | 云南钛业股份有限公司 | Production method for efficiently rolling titanium alloy wire rod |
| CN116727587A (en) * | 2023-08-11 | 2023-09-12 | 成都先进金属材料产业技术研究院股份有限公司 | TB5 titanium alloy wire and preparation method thereof |
| CN116727587B (en) * | 2023-08-11 | 2023-10-27 | 成都先进金属材料产业技术研究院股份有限公司 | TB5 titanium alloy wire and preparation method thereof |
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Application publication date: 20130904 |