CN105171348B - A kind of production method of TA10 alloy seamless pipe - Google Patents
A kind of production method of TA10 alloy seamless pipe Download PDFInfo
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- CN105171348B CN105171348B CN201510563251.5A CN201510563251A CN105171348B CN 105171348 B CN105171348 B CN 105171348B CN 201510563251 A CN201510563251 A CN 201510563251A CN 105171348 B CN105171348 B CN 105171348B
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Abstract
A kind of production method of TA10 alloy seamless pipe.TA10 alloy blanks are melted out using electron-beam cold bed furnace, by topping behind blank milling face and cut into the square billet that section specification is 190~210mm × 190~210mm, square billet is rolled into the bar of 60~130mm of diameter of phi, 550~5500mm of length after chamfering and reconditioning with bar mill, then car optical surface, defect reconditioning is carried out again, is carried out surface clean afterwards and is dried；Bar is heated to 850~920 DEG C again, after keeping the temperature 360~540min, hollow billet is obtained using roll piercing, hollow billet tandem rolling is formed into hollow forging；Cold mill complex cold rolling is used after carrying out reconditioning to waste tube outer surface, degreasing, annealing, pickling, straightening processing are carried out after cold rolling, is so moved in circles, until the finished product tubing of specification needed for obtaining；Finished product tubing is subjected to degreasing, finished products, pickling, straightening processing again, after testing warehousing after passing.The present invention has the characteristics of production efficiency is high, and production cost is relatively low, and lumber recovery is high, and product quality is high；Production product quality meets national standard, can meet the needs of producing in enormous quantities.
Description
Technical field
The present invention relates to titanium alloy seamless pipe production technical field.
Background technology
TA10 is because being free of your dilute element, and solderability is good and plasticity is high, and in reductant and high-temperature chlorine compound
Corrosion resisting property is close with Ti-0.2Pb, can partly substitute Ti-Pd alloys.Due to its Pb without precious metal, make into production cost
It is greatly lowered, therefore, considers from corrosion resisting property and cost, which is current most competitive corrosion resistant Ti alloy, is had
There is higher promotion and application value.
The report of the seamless pipe production of current pure titanium and high-strength titanium alloy is relatively more, more multiple in its seamless pipe production technology
Miscellaneous, process is longer, can not produce to continuity on a large scale, as Chinese patent CN101708511A discloses the system of pure titanium seamless tubes
Method is made, this method has larger improvement in ingot blank production process than extrusion, productivity, Product Precision and lumber recovery is had
It is greatly improved, can meets the needs of in industrial production.CN103934269A disclose a kind of TC4 titanium alloys seamless pipe and
Its production method, this method bore the deficiency of three kinds of methods of boring and roll piercing mainly for extrusion forming, bar, it is proposed that some
Solution method, and propose to use roll piercing, and precision rolling is carried out, temperature control sizing is carried out after the completion of finish rolling, and finishing obtains
TC4 compo pipes.Above-mentioned both approaches obtain pipe using the method for forging, after the completion of forging, also need to remove pipe
(forging tongue), car face, surface cleaning etc. could obtain pipe end to end.And since forging specification is smaller, human intervention is larger, produces
Product quality stability it is relatively poor.In addition, the pipe production cycle is longer, less efficient, high-volume continuity can not be realized
Production.CN104212989A discloses a kind of method of electron-beam cold bed furnace melting production TA10 hot continuous rolling square billets, this method
The production of big specification TA10 alloy slabs is realized using electron-beam cold bed furnace.But the prior art never can effectively produce
The method of TA10 alloy seamless pipes.
The content of the invention
Closed in view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of successional TA10 of high-volume that can be achieved
The production of golden seamless pipe, production cost is relatively low, can effectively reduce the influence of artifical influence factor and finished product group in traditional handicraft
Knit the production method of the TA10 alloy seamless pipes for the problems such as performance is uncontrollable.
In order to achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of production method of TA10 alloy seamless pipe, comprises the following steps：
(1) TA10 that specification is thickness 210mm × wide 1050mm × long 8200mm is gone out using electron-beam cold bed furnace melting once
Alloy blank, by blank milling face, milling face depth is 5~10mm, and topping and section specification is cut into as 190 after the completion of milling face
The square billet of~200mm × 190~210mm, then through chamfering and reconditioning；
(2) square billet after reconditioning is rolled into a diameter of 60~130mm of Φ with bar mill, length is 550~5500mm
Bar, then with lathe to its surface into driving light, defect reconditioning is carried out to the bar after car light, is carried out after the completion of reconditioning
Surface clean, is dried after the completion of cleaning；
(3) bar that step (2) obtains is heated to 850~920 DEG C, after keeping the temperature 360~540min, using roll piercing
Hollow billet is obtained, hollow billet is carried out tandem rolling forms hollow forging；
(4) reconditioning is carried out to waste tube outer surface, carried out then using cold mill complex cold rolling, after the completion of cold rolling degreasing, annealing,
Pickling, straightening processing, then cold rolling, degreasing, annealing, pickling, straightening processing again, so move in circles, until needed for obtaining
The finished product tubing of specification, wherein, annealing temperature is 850~870 DEG C, soaking time 30~80min, then air-cooled；
(5) finished product tubing is subjected to degreasing, finished products, pickling, straightening processing again, after testing after qualification, you can storage,
Wherein finished products temperature is 650~720 DEG C, and soaking time is 60~150min, then air-cooled.
The composition quality ratio for the TA10 alloy blanks that electron-beam cold bed furnace melting once described in above-mentioned steps (1) obtains
For Mo0.25~0.35%, Ni0.6~0.9%, Fe≤0.20%, C≤0.05%, N≤0.03%, H≤0.015%, O≤
0.18%, surplus Ti.Drying temperature described in step (2) is 120~150 DEG C, and drying time is 60~180min.Step
(5) outside diameter of the finished product tubing described in is 30~110mm of Φ, and wall thickness is 1.0~5.5mm；Its mechanical property for Rm >=
550MP, A50>=23%.
The present invention has refining, purification effect using electron-beam cold bed furnace, can produce what no high/low density was mingled with
High quality TA10 alloy blanks and can realize high-volume blank production the advantages of, produce TA10 alloy seamless pipes.Using this hair
It is bright, there is the characteristics of production efficiency is high, and production cost is relatively low, and lumber recovery is high, and product quality is high；The product quality of production meets state
Mark requires, and can meet the needs of producing in enormous quantities.Present invention process is simple and convenient to operate, using effect is good, can guarantee that TA10 is closed
In the case of golden seamless surface quality and physical property, production procedure is shortened dramatically, improve lumber recovery, substantially reduce and be produced into
This, makes product obtain the good market competitiveness.The present invention provides the method that can effectively produce TA10 alloy seamless pipes,
The blank of the prior art is filled up.
Embodiment
Embodiment 1
A kind of production method of TA10 alloy seamless pipe, comprises the following steps：
(1) TA10 that specification is thickness 210mm × wide 1050mm × long 8200mm is gone out using electron-beam cold bed furnace melting once
Alloy blank, the composition quality ratio of blank is Mo0.25%, Ni：0.9%th, Fe≤0.20%, C≤0.05%, N≤0.03%, H
≤ 0.015%, O≤0.18%, surplus Ti.Blank is placed on milling machine, carries out milling face, the depth in milling face is 10mm, milling face
It is 190mm × 190mm, length 800mm that completion, which is placed on the enterprising wardrobe portion of sawing machine and cuts off and blank is cut into section specification,
Square billet, then through 45 ° of chamferings, reconditioning processing；
(2) by the square billet after reconditioning, a diameter of Φ 60mm are rolled into bar mill, length is the bar of 5500mm, so
Afterwards with lathe to its surface into driving light, defect reconditioning is carried out to the bar after car light, after the completion of reconditioning to its surface carry out
Cleaning, and 60min is toasted at 120 DEG C, bar is dried；
(3) bar of drying is heated to 880 DEG C, after keeping the temperature 360min, hollow billet is obtained using roll piercing；To hollow billet into
Row tandem rolling forms hollow forging；
(4) reconditioning is carried out to waste tube outer surface, carried out then using cold mill complex cold rolling, after the completion of cold rolling degreasing, annealing,
Pickling, straightening processing, then cold rolling, degreasing, annealing, pickling, straightening processing again, so move in circles, until needed for obtaining
The finished product tubing of specification, wherein, annealing temperature is 850 DEG C, soaking time 30min, then air-cooled；
(5) finished product tubing is subjected to degreasing, finished products, pickling, straightening processing again, after performance detection qualification, you can
Storage.Wherein finished products temperature is 700 DEG C, soaking time 150min, then air-cooled.The specification of finished product tubing is outside diameter
110mm, wall thickness 5.5mm, mechanical property are Rm >=550MP, A50>=23%.
Embodiment 2
A kind of production method of TA10 alloy seamless pipe, comprises the following steps：
(1) it is 210 × 1050 × 8200mm (thickness × width x length) ingot casting to go out specification using electron-beam cold bed furnace melting once
Component is Mo0.3%, Ni0.7%, Fe≤0.05%, C≤0.03%, N≤0.03%, H≤0.015%, O≤0.09%, remaining
The TA10 alloy blanks for Ti are measured, blank is placed on milling machine, carry out milling face, the depth in milling face is 5mm, and milling face completes to be placed on
The enterprising wardrobe portion of sawing machine cuts off and blank is cut into the square billet that section specification is 210mm × 210mm, length is 8100mm, so
By 45 ° of chamferings, reconditioning processing；
(2) by the square billet after reconditioning, a diameter of Φ 130mm are rolled into bar mill, length is the bar of 3000mm, so
Afterwards with lathe to its surface into driving light, defect reconditioning is carried out to the bar after car light, after the completion of reconditioning to its surface carry out
Cleaning, and carry out 150 DEG C of drying, drying time 120min；
(3) blank material is heated to 920 DEG C, after keeping the temperature 420min, roll piercing obtains hollow billet；Tandem rolling shape is carried out to hollow billet
Into hollow forging；
(4) to waste tube outer surface carry out reconditioning, then using cold mill complex carry out cold rolling, after the completion of cold rolling carry out degreasing,
Annealing, pickling, straightening processing, then cold rolling, degreasing, annealing, pickling, straightening processing again, so move in circles 3 times, obtain
The finished product tubing of required specification, wherein, annealing temperature is 870 DEG C, soaking time 50min, then air-cooled；So move in circles to
The finished product tubing of required specification；Wherein annealing temperature is 870 DEG C, keeps the temperature 50min, then air-cooled；
(5) by finished product tubing carry out degreasing, finished products, pickling, straightening processing, after performance detection qualification (Rm >=
550MP, A50>=23%), you can storage, finished products temperature are 720 DEG C, soaking time 60min, then air-cooled, production tube
Material specification is outside diameter Φ 80mm, wall thickness 2.5mm.
Embodiment 3
(1) it is 210 × 1050 × 8200mm (thickness × width x length) ingot casting to go out specification using electron-beam cold bed furnace melting once
Component is Mo：0.35%th, Ni：0.6%th, Fe≤0.05%, C≤0.03%, N≤0.03%, H≤0.015%, O≤0.09%,
Surplus is the TA10 alloy blanks of Ti, and blank is placed on milling machine, carries out milling face, the depth in milling face is 8mm, and postposition is completed in milling face
In the enterprising wardrobe portion excision of sawing machine, and blank is cut into the square billet that section specification is 200mm × 200mm, length is 8100mm,
Then through 45 ° of chamferings, reconditioning processing；
(2) by the square billet after reconditioning, a diameter of Φ 100mm are rolled into bar mill, length is the bar of 550mm, so
Afterwards with lathe to its surface into driving light, defect reconditioning is carried out to the bar after car light, after the completion of reconditioning to its surface carry out
Cleaning, and dried at 130 DEG C, drying time 180min；
(3) blank material is heated to 850 DEG C, after keeping the temperature 540min, roll piercing obtains hollow billet；Tandem rolling shape is carried out to hollow billet
Into hollow forging；
(4) to waste tube outer surface carry out reconditioning, then using cold mill complex carry out cold rolling, after the completion of cold rolling carry out degreasing,
Annealing, pickling, straightening processing, then cold rolling, degreasing, annealing, pickling, straightening processing again, so move in circles 5 times, until
The finished product tubing of specification needed for obtaining, wherein, annealing temperature is 860 DEG C, soaking time 80min, then air-cooled；
(5) finished product tubing is subjected to degreasing, finished products, pickling, straightening processing, after performance detection qualification, you can enter
Storehouse, finished products temperature is 650 DEG C, soaking time 90min, then air-cooled.The specification of finished product tubing is outside diameter Φ 30mm, wall
Thick 1.0mm.
Electron-beam cold bed furnace of the present invention, bar mill, cold mill complex are prior art device, and the milling face, repair
Mill, cleaning, drying, degreasing, pickling, aligning, oblique milling, tandem rolling etc. can use prior art processes.
The above, is only preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present invention
Technical spirit carries out above example simply modification, change and the change of equivalent structure, still falls within the technology of the present invention
In the protection domain of scheme.
Claims (4)
1. a kind of production method of TA10 alloy seamless pipe, it is characterised in that the production method comprises the following steps：
(1) it is 210 × 1050 × 8200mm (thickness × width x length) TA10 alloys to go out specification using electron-beam cold bed furnace melting once
Blank, blank is placed on milling machine, carries out milling face, the depth in milling face is 5~10mm, and milling face completes to be placed on the enterprising wardrobe of sawing machine
It is 190~200 × 190~210 × Cmm square billets that portion, which cuts and cut into specification, then through 45 ° of chamferings, reconditioning processing；
(2) by the square billet after reconditioning, a diameter of 60~130mm of Φ are rolled into bar mill, length is 4600~5500mm's
Bar, then with lathe to its surface into driving light, defect reconditioning is carried out to the bar after car light, to its table after the completion of reconditioning
Face is cleaned, and carries out 120~150 DEG C of drying；
(3) by blank heating to 850~920 DEG C, after keeping the temperature 360~540min, hollow billet is obtained using roll piercing；To hollow billet into
Row tandem rolling forms hollow forging；
(4) to waste tube outer surface carry out reconditioning, then using cold mill complex carry out cold rolling, after the completion of cold rolling carry out degreasing, annealing,
Pickling, straightening processing, so move in circles to required product specification, and semi-finished product annealing temperature is 850~870 in the middle
DEG C, 30~80min is kept the temperature, it is then air-cooled；
(5) after trimmed size is rolling to, tubing is subjected to degreasing, finished products, pickling, straightening processing, is closed through performance detection
After lattice, you can storage, finished products temperature are 650~690 DEG C, and soaking time is 120~150min, then air-cooled, finished product rule
Lattice：Outside diameter 30~110mm of Φ, 1.0~5.5mm of wall thickness.
2. the production method of a kind of TA10 alloy seamless pipe as described in claim 1, it is characterised in that described in step (1)
Electron-beam cold bed furnace melting once TA10 alloys ingot casting component Mo：0.25~0.35%, Ni：0.6~0.9%, Fe≤
0.20%th, C≤0.05%, N≤0.03%, H≤0.015%, O≤0.18%, surplus Ti.
3. the production method of a kind of TA10 alloy seamless pipe as described in claim 1, it is characterised in that described in step (2)
Drying time be 60~180min.
4. the production method of a kind of TA10 alloy seamless pipe as described in claim 1, it is characterised in that described in step (5)
Finished product mechanical properties of tubular goods Rm >=550MP, A50>=23%.
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| CN201510563251.5A CN105171348B (en) | 2015-09-07 | 2015-09-07 | A kind of production method of TA10 alloy seamless pipe |
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| CN201510563251.5A CN105171348B (en) | 2015-09-07 | 2015-09-07 | A kind of production method of TA10 alloy seamless pipe |
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| CN105171348A CN105171348A (en) | 2015-12-23 |
| CN105171348B true CN105171348B (en) | 2018-04-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105619085B (en) * | 2016-02-29 | 2018-11-06 | 扬州诚德钢管有限公司 | The big volume seamless steel gas cylinder production technologies of diameter 914mm |
| CN106282867B (en) * | 2016-09-05 | 2018-08-14 | 攀钢集团攀枝花钢铁研究院有限公司 | TA2 thin-wall titanium alloy seamless steel pipes and preparation method thereof |
| CN108296717A (en) * | 2018-02-06 | 2018-07-20 | 江苏健力钢管有限公司 | A kind of preparation process of Steel Pipe For Bearing |
| CN110711775A (en) * | 2019-10-26 | 2020-01-21 | 鑫鹏源智能装备集团有限公司 | Titanium alloy pipe manufacturing and forming method |
| CN110899335A (en) * | 2019-12-09 | 2020-03-24 | 西北工业大学 | Short-process manufacturing method of small-caliber marine titanium alloy seamless pipe |
| CN111304461B (en) * | 2020-03-02 | 2022-08-05 | 无锡市千柏材料科技有限责任公司 | Production process of high-quality nickel pipe |
| CN114289539A (en) * | 2021-11-18 | 2022-04-08 | 成都先进金属材料产业技术研究院股份有限公司 | Production method of titanium alloy seamless pipe |
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| CN101708511B (en) * | 2007-12-13 | 2011-09-28 | 攀钢集团四川长城特殊钢有限责任公司 | Method for manufacturing pure titanium seamless tubes |
| CN102909237B (en) * | 2012-11-22 | 2015-09-09 | 宁夏东方钽业股份有限公司 | A kind of preparation method of TA18 thick-wall tube |
| CN104561654A (en) * | 2013-10-11 | 2015-04-29 | 东港市东方高新金属材料有限公司 | Titanium alloy No. dfgx-9 rolled tube and preparation method thereof |
| CN103934269B (en) * | 2014-03-31 | 2016-06-08 | 攀钢集团成都钢钒有限公司 | A kind of TC4 titanium alloy seamless tube and production method thereof |
| CN104212989A (en) * | 2014-08-28 | 2014-12-17 | 云南钛业股份有限公司 | Method for smelting and producing TA10 hot continuous rolling square billet by adopting electron beam cooling bed furnace |
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