CN1718798A - Formala and technology of high performance titanium alloy pipe - Google Patents
Formala and technology of high performance titanium alloy pipe Download PDFInfo
- Publication number
- CN1718798A CN1718798A CN 200410041197 CN200410041197A CN1718798A CN 1718798 A CN1718798 A CN 1718798A CN 200410041197 CN200410041197 CN 200410041197 CN 200410041197 A CN200410041197 A CN 200410041197A CN 1718798 A CN1718798 A CN 1718798A
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- titanium
- rolling
- annealing
- alloy
- 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.)
- Granted
Links
Landscapes
- Heat Treatment Of Steel (AREA)
Abstract
A method for preparing the Ti-alloy tube from A (2.5-3.5 wt.%), V (2.0-3.0) and Ti (rest) through cold machining to become tube, heat treating at 350-600 deg.C for 0.5-2 hr, annealing, fine rolling and annealing at 300-400 deg.C for 0.5-1 hr. Its advantages are high precision, and high elastic extreme strength.
Description
Technical field
The present invention relates to a kind of prescription and complete processing of Ti alloy with high performance pipe.
Background technology
Titanium alloy has very good corrosion-resistant and mechanical property, but the processing requirement height of its processing, tooling cost is also high.Therefore overcome this deficiency by the improvement of prescription and the innovation of technology.
Chinese patent 87105786 relates to the high-intensity high-tenacity titanium base alloy, contain (weight percent) 3-7%Mo, 3-7%V, 1.75-4.0%Al ,≤6%Cr ,≤2.5%Zr, ≤ 2.5%Fe, surplus is to contain≤0.2% titanium dioxide, and Mo and V content summation are 8-12%, Cr and Fe content summation≤6%.Mo, V, Cr, Al content are respectively 5%, 5%, 2%, 3% titanium alloy forging rod, and by appropriate heat treatment, tensile strength δ reaches 1224MPa, can be used as the high-strength structure of space flight or aviation, ultra-high speed centrifuge rotor etc.
Chinese patent 94117831 is a kind of titanium alloy and manufacture method thereof.To contain Al4.5%, V3%, Fe2%, Mo2%, O0.1%, crystal structure are that the tabular titanium alloy material of type alpha+beta makes blank with the discharge method of forming.With the pressurization of 800 ℃ metal patterns, do superplasticity processing, make after the shape that formalizes, the size, mechanical workout.Then, this blank in argon atmospher, was done solution treatment 2 hours, oil cooling under 825 ℃.Again in a vacuum, doing age hardening under 500 ℃ handled 3 hours.Then, use the alumina series abrasive polishing, the result obtains the titanium alloy with axle such as tiny alpha+beta two phase constitutions of average crystal grain particle diameter 3 μ m.This alloy has and polishes minute surface completely, and HV hardness is 440, can be used for that clock and watch are outer to be decorated etc.
Chinese patent 97190564 high strength titanium alloys, the said products of making by this alloy, and the method that is used to make these goods.Above-mentioned purpose is by containing Fe:0.20-0.8% (quality) and O:0.20-0.6% (quality) or containing Fe:0.2-1.0% (quality), O:0.15-0.60% (quality) and Si:0.20-1.0% (quality), surplus are that the titanium alloy that Ti and unavoidable impurities constitute is realized.Use this alloy, in material temperature be under the state more than (beta transformation point-200 ℃) forge hot press, cooling then, can make the various goods of desired strength.
Chinese patent 99803452 relates to a kind of two phase titanium aluminide alloy that contains the stratiform microstructure of organizing between the minor agglomeration may body that has.This alloy can contain the fine particle that is positioned at the aggregate structure boundary, as boride particle and/or crystal boundary equiaxed structure.This alloy can contain alloy addition as, the W of≤10at%, Nb and/or Mo.This alloy can not contain Cr, V, Mn, Cu and/or Ni, and can contain W, maximum 1% the Mo of Nb, 0.3-2% of Al, 1-5% of Ti, 40-50% of (at%) 45-55% and the B of 0.1-0.3%.This alloy can contain the Nb of (% weight) Ti of 57-60%, the Al of 30-32%, 4-9%, the W of maximum 2% Mo, 2-8% and the B of 0.02-0.08%.
Chinese patent 02138024 relates to a kind of method of temperature processing and manufacturing titanium or titanium alloy pipe, belongs to the metal pipe material rolling technique.It comprises successively, pipe machining surface processing treatment; Pipe is preheating to envrionment temperature between the recrystallization temperature; Pipe is rolling at the above deformation speed of recrystallization temperature; 4 steps such as rolled parts cools off fast.Deficiencies such as the operation that the present invention has overcome prior art is many, lumber recovery is low, manufacturing cost is high, pipe workpiece quality instability.Coefficient of extension of the present invention is between 10～16, and rolling speed can be reached more than 80% by the lumber recovery of hollow bloom to tubing between 5m/min～20m/min.The present invention at present a kind ofly is different from hot rolling processing and cold rolling processing, and adopts the advanced method of warm processing and manufacturing titanium or titanium alloy pipe.
The titanium alloy that Chinese patent 01821811 obtains by cold working step and ageing treatment step is in the cold working step, to comprising Va elements and all the other be the enforcement 10% of raw material titanium alloy or the bigger cold working of titanium substantially; In the ageing treatment step, make the cold working part that obtains after the cold working step stand ageing treatment, so that parameter " P " is dropped in 8.0 to 18.5 the scope; Its tension proof strength is 950MPa or bigger, and its elastic deformability is 1.6% or bigger.The high elastic deformation capacity of this titanium alloy and high tensile proof strength can be widely used in various products.
In sum, still there is complex process in prior art, the deficiency that prescription is complicated.Have better process industrial art performance and still have very big room for improvement.
Summary of the invention
The present invention seeks to: a kind of prescription of titanium alloy is provided and adopts cold working to make the method for titanium or titanium alloy pipe.Be a kind of technology that is different from hot rolling processing, and can guarantee the simplification and the end properties of complete processing.
The object of the present invention is achieved like this:
The prescription of titanium alloy tube is, Al, 2.5-3.5wt% V, 2.0-3.0wt%'s, surplus is Ti.
Improvement of the present invention is: this alloy can contain Fe≤0.25wt%, and N≤0.08wt%, H≤0.01wt% can guarantee that tensile strength is 〉=620Mpa, and residual elongation stress is 〉=480Mpa elongation 〉=150%.Especially contain Fe:0-0.25wt%, N:0-0.08wt%.
The method of titanium or titanium alloy pipe is made in cold working of the present invention, and established technology is to carry out finish rolling in 350 ℃ to 600 ℃ temperature range after handling in 0.5-2 hour and after the annealing.Rolling after inherent 0.5-1 hour processing of 300 ℃ to 400 ℃ temperature range annealing is in order to eliminate stress.
Adopt the twice annealing process, reduce hardness when rolling, improve toughness, change weave construction, crystal grain thinning degree etc. improve performance, and the present invention is actually finish-rolling process, and reasonably the twice annealing process can guarantee the quality of product.
Improvement of the present invention also comprises: carry out finish rolling after the annealing and can carry out the annealing second time after the finish rolling in room temperature or annealing temperature decline process, this helps the working (machining) efficiency of product.
Unit elongation of the present invention is at 150-200%, and rolling speed can be reached more than 90% by the lumber recovery of hollow bloom to tubing between higher 2m/min～8m/min.The present invention is at present a kind of cold rolling processing that is different from hot rolling processing, can carry out 10% deflection or the more cold working of aximal deformation value.Performance is higher more than 10% than common alloy of titanium pipe.
Prescription of the present invention is fairly simple and with dependable performance under the processing conditions of the present invention, second annealing all only needs lower treatment temp, and energy consumption is low.And with the precision height of finish-rolling process product.Its tension proof strength is for bigger, and its elastic deformability is more than 15%.The high elastic deformation capacity of this titanium alloy and high tensile proof strength can be widely used in various occasions.
Embodiment
The prescription of titanium alloy also adopts cold working to make the method for titanium or titanium alloy pipe.Be a kind of technology that is different from hot rolling processing, and can guarantee the simplification and the end properties of complete processing.
The object of the present invention is achieved like this:
The prescription of titanium alloy and tubing is that example has gone out 9 kinds:
1 2 3 4 5 6 7 8 9
Al、 2.5 3 3.5 2.5 3 3.5 2.5 3 3.5
V、 3.0 2.5 2.0 2.0 2.5 3.0 2.5 3.0 2.0
Ti 94.5 94.5 94.5 95.5 94.5 93.2 94.72 93.8 94.34
Fe 0 0 0 0 0 0.25 0.25 0.15 0.15
N 0 0 0 0 0 0.05 0.03 0.05 0.01
What certainly, still have trace in the alloy can not take off most impurity.
The tensile strength of 1-3 sample is 700-800Mpa, and residual elongation stress is 〉=480Mpa the elongation of 7-9 sample 〉=25%.The embodiment of the method for titanium or titanium alloy pipe is made in cold working of the present invention:
Carry out finish rolling after 350 ℃, 450 ℃, 550 ℃, 600 ℃ temperature is annealed for the first time and do not have marked difference in 0.5-2 hour scope, and the annealed time can extend to 3-4 hour, also do not exceed withered scope of invention, the annealed temperature should be longer when temperature was low.Rolling after 300 ℃ to 400 ℃ temperature is annealed in order to eliminate stress in 0.5-2 hour scope.
Adopt the twice annealing process, reduce hardness when rolling, improve toughness, change weave construction, crystal grain thinning degree etc. improve performance, and the present invention is actually finish-rolling process, and reasonably the twice annealing process can guarantee the quality of product.
The improvement of technology of the present invention: carrying out finish rolling after the annealing can be in room temperature or annealing temperature decline process, and the annealing second time is carried out in for example finish rolling in the time of 0 ℃ to 300 ℃ after the finish rolling, and this helps the working (machining) efficiency of product.
Especially finish rolling is better when room temperature to 150 ℃.
Claims (5)
1, the prescription of titanium alloy tube is characterized in that Al, 2.5-3.5wt%V, 2.0-3.0wt%, and surplus is Ti.
2, the prescription of titanium alloy tube according to claim 1 is characterized in that alloy can contain Fe:0-0.25wt%, N:0-0.08wt%.
3, the method for titanium or titanium alloy pipe is made in cold working, it is characterized in that through 350 ℃ to 600 ℃ temperature range that 0.5-2 hour processing and after annealing, carry out finish rolling rolling after 300 ℃ to 400 ℃ temperature is annealed in order to eliminate stress in 0.5-1 hour scope.
4, make the method for titanium or titanium alloy pipe as cold working as described in the claim 3, it is characterized in that carrying out finish rolling after the annealing can carry out in room temperature or annealing temperature decline process.
5, make the method for titanium or titanium alloy pipe as cold working as described in the claim 3, it is characterized in that rolling speed is between higher 2m/min～8m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410041197XA CN1323182C (en) | 2004-07-07 | 2004-07-07 | Formala and technology of high performance titanium alloy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410041197XA CN1323182C (en) | 2004-07-07 | 2004-07-07 | Formala and technology of high performance titanium alloy pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1718798A true CN1718798A (en) | 2006-01-11 |
| CN1323182C CN1323182C (en) | 2007-06-27 |
Family
ID=35930746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410041197XA Expired - Fee Related CN1323182C (en) | 2004-07-07 | 2004-07-07 | Formala and technology of high performance titanium alloy pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1323182C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101190443B (en) * | 2006-11-30 | 2010-04-21 | 江苏宏宝集团有限公司 | Method for manufacturing super-long titanium or titanium alloy tube |
| CN101780492A (en) * | 2010-04-06 | 2010-07-21 | 江阴市钛业制管有限公司 | Method for processing titanium and titanium alloy multi-start helical tubes |
| CN101086056B (en) * | 2006-06-07 | 2010-08-04 | 西部钛业有限责任公司 | Quick annealing method for titanium seamless pipe |
| CN101905410A (en) * | 2010-08-17 | 2010-12-08 | 张家港华裕有色金属材料有限公司 | Method for producing titanium tube for salt manufacturing equipment |
| CN103131897A (en) * | 2013-03-18 | 2013-06-05 | 天津钢管集团股份有限公司 | 110ksi-level titanium alloy oil well pipe and production method thereof |
| CN103173652A (en) * | 2011-12-20 | 2013-06-26 | 北京有色金属研究总院 | Ti5Mo5V6Cr3Al titanium alloy thick-wall tube and its processing method |
| CN103692151A (en) * | 2012-09-28 | 2014-04-02 | 宁波江丰电子材料有限公司 | Manufacturing method for titanium focusing ring |
| CN104232992A (en) * | 2013-06-09 | 2014-12-24 | 东港市东方高新金属材料有限公司 | Titanium alloy No. dfgx-6 rolled tube and preparation method |
| CN104762525A (en) * | 2015-03-27 | 2015-07-08 | 常熟市双羽铜业有限公司 | Titanium alloy tube for heat exchanger |
| CN111621669A (en) * | 2020-04-30 | 2020-09-04 | 中国石油天然气集团有限公司 | Pipe for 720 MPa-grade high-strength titanium alloy drill rod and manufacturing method thereof |
| CN113958777A (en) * | 2021-09-10 | 2022-01-21 | 浙江荣凯科技发展股份有限公司 | High-strength continuous tube for chemical industry and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI548470B (en) * | 2013-11-12 | 2016-09-11 | Molding method of semi - finished product of ratchet sleeve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007257445A (en) * | 2006-03-24 | 2007-10-04 | Fujitsu Ltd | Information equipment and starting method therefor |
-
2004
- 2004-07-07 CN CNB200410041197XA patent/CN1323182C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086056B (en) * | 2006-06-07 | 2010-08-04 | 西部钛业有限责任公司 | Quick annealing method for titanium seamless pipe |
| CN101190443B (en) * | 2006-11-30 | 2010-04-21 | 江苏宏宝集团有限公司 | Method for manufacturing super-long titanium or titanium alloy tube |
| CN101780492A (en) * | 2010-04-06 | 2010-07-21 | 江阴市钛业制管有限公司 | Method for processing titanium and titanium alloy multi-start helical tubes |
| CN101905410A (en) * | 2010-08-17 | 2010-12-08 | 张家港华裕有色金属材料有限公司 | Method for producing titanium tube for salt manufacturing equipment |
| CN101905410B (en) * | 2010-08-17 | 2011-11-16 | 张家港华裕有色金属材料有限公司 | Method for producing titanium tube for salt manufacturing equipment |
| CN103173652A (en) * | 2011-12-20 | 2013-06-26 | 北京有色金属研究总院 | Ti5Mo5V6Cr3Al titanium alloy thick-wall tube and its processing method |
| CN103692151A (en) * | 2012-09-28 | 2014-04-02 | 宁波江丰电子材料有限公司 | Manufacturing method for titanium focusing ring |
| CN103692151B (en) * | 2012-09-28 | 2016-02-24 | 宁波江丰电子材料股份有限公司 | The manufacture method of titanium focusing ring |
| CN103131897A (en) * | 2013-03-18 | 2013-06-05 | 天津钢管集团股份有限公司 | 110ksi-level titanium alloy oil well pipe and production method thereof |
| CN103131897B (en) * | 2013-03-18 | 2014-12-03 | 天津钢管集团股份有限公司 | 110ksi-level titanium alloy oil well pipe and production method thereof |
| CN104232992A (en) * | 2013-06-09 | 2014-12-24 | 东港市东方高新金属材料有限公司 | Titanium alloy No. dfgx-6 rolled tube and preparation method |
| CN104762525A (en) * | 2015-03-27 | 2015-07-08 | 常熟市双羽铜业有限公司 | Titanium alloy tube for heat exchanger |
| CN111621669A (en) * | 2020-04-30 | 2020-09-04 | 中国石油天然气集团有限公司 | Pipe for 720 MPa-grade high-strength titanium alloy drill rod and manufacturing method thereof |
| CN113958777A (en) * | 2021-09-10 | 2022-01-21 | 浙江荣凯科技发展股份有限公司 | High-strength continuous tube for chemical industry and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1323182C (en) | 2007-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108291277B (en) | Processing of alpha-beta titanium alloys | |
| AU2010343097B2 (en) | Production of high strength titanium alloys | |
| US5658403A (en) | Titanium alloy and method for production thereof | |
| CN112105751B (en) | High strength titanium alloy | |
| CN1323182C (en) | Formala and technology of high performance titanium alloy pipe | |
| US5226985A (en) | Method to produce gamma titanium aluminide articles having improved properties | |
| EP0487803A1 (en) | Titanium alpha-beta alloy fabricated material and process for preparation | |
| WO2008060637A9 (en) | Methods of beta processing titanium alloys | |
| CN103045974B (en) | Hot working method for improving strength of wrought aluminium alloy and keeping plasticity of wrought aluminium alloy | |
| EP1466028A1 (en) | Method for processing beta titanium alloys | |
| CN101068945A (en) | Method for manufacturing titanium alloy wire with enhanced properties | |
| KR20010071476A (en) | Metal article with fine uniform structures and textures and process of making same | |
| US5417781A (en) | Method to produce gamma titanium aluminide articles having improved properties | |
| CA2976307C (en) | Methods for producing titanium and titanium alloy articles | |
| US4616499A (en) | Isothermal forging method | |
| JPH02129331A (en) | Beta-type titanium alloy having excellent cold workability | |
| Behera et al. | Ti-based nanoalloy in automobile industry | |
| Park et al. | Formation of ultrafine grain and mechanical properties in commercial pure titanium subjected to heavy-reduction thermomechanical processing around β transus temperature | |
| AU578145B2 (en) | Super plastic eutectoid steel | |
| CN113943876A (en) | Titanium alloy capable of realizing large deformation at room temperature and aging strengthening and application thereof | |
| CN117181838A (en) | Preparation method of superplastic TiAl alloy plate with mixed lamellar microstructure | |
| CN115627387A (en) | High-strength TiZr-based alloy and preparation method thereof | |
| CN112281057A (en) | TWIP steel plate with different grain sizes and twin crystal contents and preparation method thereof | |
| JP2007321176A (en) | Titanium alloy rod wire for coil spring and production method therefor | |
| JPS63219556A (en) | Molding method for titanium 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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070627 Termination date: 20120707 |