CN104874634A - Material assembling method and rolling method for titanium-steel clad plate - Google Patents
Material assembling method and rolling method for titanium-steel clad plate Download PDFInfo
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- CN104874634A CN104874634A CN201510247496.7A CN201510247496A CN104874634A CN 104874634 A CN104874634 A CN 104874634A CN 201510247496 A CN201510247496 A CN 201510247496A CN 104874634 A CN104874634 A CN 104874634A
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- titanium
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
Abstract
The invention relates to a material assembling method and rolling method for a titanium-steel clad plate and belongs to the field of titanium-steel clad plate manufacturing and processing. The material assembling method comprises the following steps: a, preparing two steel plates, two titanium plates and four side plates and removing an oxidation layer and oil stains on the surface of each plate; b, forming a hole in at least one side plate and welding a seamless carbon steel pipe at each opening hole; c, symmetrically assembling a blank from one steel plate, the two titanium plates and the other steel plate in sequence, and welding the blank into a combination body; d, after welding, connecting each seamless carbon steel pipe with a vacuum pump, vacuumizing to reach a pressure value no greater than 1*10<-2>Pa and sealing the seamless carbon steel pipe to obtain an assembled blank material. According to the material assembling method of the titanium-steel clad plate, the internal vacuum treatment of the blank material can be completed without the help of a vacuum electron beam welding box, and thus the production procedure is simplified, the cost is saved, the assembling effect is good and the problem of the interface oxidation of the titanium-steel clad plate can be effectively solved.
Description
Technical field
The present invention relates to group material method and the milling method of titanium steel composite board, belong to titanium steel composite board and prepare manufacture field.
Background technology
Titanium has good physics, chemical property and mechanical performance, but its smelting technique is complicated, and production cost is high, and therefore the price of titanium is very expensive, largely limits popularization and the application of titanium.Titanium and other metal (as steel, copper, aluminium etc.) are combined with each other, make metallic composite, both the excellent properties of titanium can have been played, can greatly reduce costs again, thus a lot of to the research of similar material in recent years, wherein titanium-steel composite material is widely used in the industrial department such as chemical industry, oil with its high strength, excellent corrosion resisting property and significant economic benefit.
At present, the mode of production of titanium-steel composite board mainly contains four kinds: Explosion composite method, diffusion composite algorithm, blast-rolling and Direct Rolling method.Direct Rolling method is current development trend, compares all the other 3 kinds of modes of production, and have size of product flexible, stable performance, easily realizes the advantage such as mechanization, automated job.But because Direct Rolling method is at high temperature rolled, in heating process, metal composite interface is very easily oxidized, and the interface of oxidation greatly can reduce interface bond strength, therefore, the group material process of titanium steel composite board is carried out usually in electron-bombardment welding case, improves interface bond strength by inner vacuum process.
Patent CN201410446843.4 discloses a kind of method manufacturing titanium-steel composite board, the group material method that it adopts is: the steel plate combined or steel billet carried out adding edge strip with titanium plate and carry out closing and weld, then adopt vacuum electron beam welding method vacuumize and weld, thus obtain combining blank.The method need adopt special vacuum welding equipment, higher to the requirement of welding equipment, and its operation is comparatively complicated, and cost is higher.
Summary of the invention
The technical problem that the present invention solves is to provide the group material method of titanium steel composite board, and the method, without the need to vacuum welding equipment, can complete the process of blank inner vacuum under atmospheric environment.
The group material method of titanium steel composite board of the present invention, comprises the steps:
A, to get the raw materials ready: prepare the identical steel plate of two block specifications, the titanium plate that two block specifications are identical, four blocks of side plates, remove surface oxide layer and the greasy dirt of steel plate, titanium plate and side plate respectively, wherein, described side plate material is identical with steel plate;
B, side plate process: perforate at least one piece in four blocks of side plates, and weld a seamless carbon steel tube at tapping;
C, welding: carry out symmetrical assembly according to the order of steel plate/titanium plate/titanium plate/steel plate, side plate is arranged on titanium plate surrounding, and between two block plates, the gap between steel plate with side plate and the gap between side plate with side plate are welded, become an assembly;
D, to vacuumize: after having welded, be connected with vavuum pump by seamless carbon steel tube, pressure be evacuated to assembly inside and be no more than 1 × 10
-2after Pa, seamless carbon steel tube is sealed, obtain combining blank.
Wherein, the seamless carbon steel tube wall thickness > 2mm described in b step.
Further, perforate on any a piece in four blocks of side plates.
Wherein, in step c, after the adjacent surface coating interleaving agent of two blocks of titanium plates, then carry out symmetrical assembly.
Further, in step c, argon arc welding is adopted to carry out welded seal.
The present invention also provides the milling method of titanium steel composite board.The method comprises the steps:
1) heat: by combination blank heating to 780 ~ 1000 DEG C of the present invention, insulation 120 ~ 360min;
2) rolling: by heating after combination blank be rolled, finishing temperature at 600 ~ 700 DEG C, rolling total deformation >70%, single pass heavy deformation controls 5% ~ 15%, and mill speed is 0.1 ~ 2m/s;
3) finishing: four limits of the combination blank after excision rolling, obtain titanium steel composite board.
Further, in order to improve the bond strength of titanium steel composite board, preferably 1) in step, combination blank heating to 950 DEG C, insulation 360min; 2) in step, finishing temperature 660 DEG C, first passage distortion 10%, through 12 passes, accumulative deflection 88%, mill speed 0.2m/s.
The group material method of titanium steel composite board of the present invention, can not complete the process of blank inner vacuum by electron-bombardment welding case, thus simplify production process, save cost, and can efficiently solve the problem of titanium steel composite board interface oxidation, in conjunction with respond well.Adopt the group material method assembly of titanium steel composite board of the present invention and after rolling, the titanium steel composite board bond strength of gained is high, can be greater than 230MPa.
Accompanying drawing explanation
Fig. 1 is the structural representation of titanium steel composite board of the present invention combination blank;
Fig. 2 is the front view of titanium steel composite board of the present invention combination blank;
Fig. 3 is the A-A sectional view of Fig. 2;
Shown in figure, 1-steel plate, 2-titanium plate; 3-side plate; 4-hole.
Detailed description of the invention
The group material method of titanium steel composite board of the present invention, comprises the steps:
A, to get the raw materials ready: prepare the identical titanium plate of the identical steel plate of two block specifications 1, two block specifications 2, four blocks of side plates 3, remove surface oxide layer and the greasy dirt of steel plate 1, titanium plate 2 and side plate 3 respectively, wherein, described side plate 3 material is identical with steel plate 1;
B, side plate process: perforate 4 at least one piece in four blocks of side plates 3, and weld a seamless carbon steel tube at perforate 4 place;
C, welding: carry out symmetrical assembly according to the order of steel plate/titanium plate/titanium plate/steel plate, side plate 3 is arranged on titanium plate 2 surrounding, and between two block plates 1, the gap between steel plate 1 with side plate 3 and the gap between side plate with side plate are welded, become an assembly;
D, to vacuumize: after having welded, be connected with vavuum pump by seamless carbon steel tube, pressure be evacuated to assembly inside and be no more than 1 × 10
-2after Pa, sealed by seamless carbon steel tube, obtain combining blank, the structure of described combination blank as Figure 1-3.
Wherein, the wall thickness of seamless steel tube > 2mm described in b step.
Further, in order to simplify the operation, in b step, perforate on any a piece preferably in four blocks of side plates.
Further, in step c, preferably after the adjacent surface coating interleaving agent of two blocks of titanium plates 2, then carry out symmetrical assembly, can be separated with this titanium-titanium interface after ensureing rolling.
In step c, conventional welding method is all applicable to the present invention, preferably carries out welded seal with argon arc welding.
In Step d, after vacuumizing, the pressure of assembly inside is more low better, considers production cost, and inner pressure only needs to reach 1 × 10
-2pa can realize the object of the invention.
The present invention also provides the milling method of titanium steel composite board of the present invention, comprises the steps:
1) heat: by combination blank heating to 780 ~ 1000 DEG C of gained of the present invention, insulation 120 ~ 360min;
2) rolling: by heating after combination blank be rolled, finishing temperature at 600 ~ 700 DEG C, rolling total deformation >70%, single pass heavy deformation controls 5% ~ 15%, and mill speed is 0.1 ~ 2m/s;
3) finishing: four limits (i.e. four blocks of side plates) of the combination blank after excision rolling, obtain titanium steel composite board.
Further, in order to improve the bond strength of titanium steel composite board, preferably 1) in step, combination blank heating to 950 DEG C, insulation 360min; 2) in step, finishing temperature 660 DEG C, first passage distortion 10%, through 12 passes, accumulative deflection 88%, mill speed 0.2m/s.
Concrete, the present invention can adopt following concrete technology rolling titanium steel composite board:
1. the steel plate two pieces that processing specification is identical, the titanium plate two pieces that specification is identical, wherein titanium plate length and width size is more smaller than steel plate; Removing surface oxide layer and greasy dirt;
2. process 4 blocks of side plates, material is identical with selected steel plate, and be highly two pieces of titanium plate thickness sums, length and width are determined according to the difference in size of titanium plate and steel plate, make four blocks of side plates just in time fill the space of titanium plate surrounding and steel plate, removing surface oxide layer and greasy dirt;
3. perforate on a strip side plate wherein, welds the seamless carbon steel tube of the thick > 2mm of an endwall at tapping;
4. by above-mentioned raw materials according to by stack neatly from the order of lower steel plate/titanium plate/titanium plate/steel plate, then be filled in titanium plate surrounding respectively with 4 blocks of side plates, integral with steel plate combination, then with argon arc welding, frame and steel plate surrounding are carried out welded seal;
5. after having welded, be connected with vavuum pump by seamless carbon steel tube, pressure be evacuated to assembly inside and be no more than 1 × 10
-2pa;
6., after vacuum reaches requirement, seamless carbon steel tube is sealed.
7. blank heating to 780 ~ 1000 DEG C will combined, insulation 120 ~ 360min.
8. be rolled by the blank after having heated, finishing temperature is at 600 ~ 700 DEG C, and rolling total deformation >70%, single pass heavy deformation controls 5% ~ 15%, and mill speed is 0.1 ~ 2m/s.
In assembly process, the titanium-titanium interface of separation should apply a kind of interleaving agent, can be separated with this interface after ensureing rolling.
Below in conjunction with embodiment, the specific embodiment of the present invention is further described, does not therefore limit the present invention among described scope of embodiments.
Embodiment 1
Carry out assembly as follows:
1. processing dimension is respectively steel plate and each two pieces of the titanium plate of 200 × 160 × 18mm and 160 × 120 × 20mm, and each two pieces of the side plate of 120 × 20 × 40mm and 200 × 20 × 40mm, carries out grinding and polishing process to its surface, to remove surface contaminants and oxide layer;
2. perforate on a strip side plate wherein, welds the seamless carbon steel tube of the thick > 2mm of an endwall at tapping;
3. then symmetrical assembly is carried out according to the order of steel plate/titanium plate/titanium plate/steel plate, the adjacent surface of two blocks of titanium plates applies interleaving agent, side plate is arranged on titanium plate surrounding, and between two block plates, adopt argon arc welding to be welded in the gap between steel plate with side plate and the gap between side plate with side plate, make all material become an assembly;
4. after having welded, be connected with vavuum pump by seamless carbon steel tube, 1 × 10 is evacuated to assembly inside
-2pa;
5. after vacuum reaches requirement, seamless carbon steel tube is sealed, obtain combining blank.
Embodiment 2
Rolling titanium steel composite board as follows:
1. the combination blank that embodiment 1 prepares is put into heating furnace and be heated to 950 DEG C, insulation 360min;
2. taken out the combination blank of heating process, be rolled, first passage distortion 10%, through 12 passes, accumulative deflection 88%, mill speed 0.2m/s, finishing temperature 660 DEG C;
3. after rolling completes, cut the edge of sheet material after rolling, two blocks of titanium plates are natural separation due to the effect of interleaving agent, can obtain two pieces of titanium steel composite boards.
The titanium steel composite board obtained is carried out the test of bond strength, obtaining interface bond strength is 250MPa.Wherein, bond strength assay method performs according to shearing test method in GB/T 6396-2008.
Embodiment 3
Rolling titanium steel composite board as follows:
1. the combination blank that embodiment 1 prepares is put into heating furnace and be heated to 780 DEG C, insulation 360min;
2. taken out the combination blank of heating process, be rolled, first passage distortion 5%, through 12 passes, accumulative deflection 72%, mill speed 0.1m/s, finishing temperature 600 DEG C;
3. after rolling completes, cut the edge of sheet material after rolling, two blocks of titanium plates are natural separation due to the effect of interleaving agent, can obtain two pieces of titanium steel composite boards.
The titanium steel composite board obtained is carried out the test of bond strength, obtaining interface bond strength is 190 ~ 200MPa.Because heating-up temperature and deflection are all near lower limit, its bond strength is lower and have fluctuation.Wherein, bond strength assay method performs according to shearing test method in GB/T6396-2008.
Embodiment 4
Rolling titanium steel composite board as follows:
1. the combination blank that embodiment 1 prepares is put into heating furnace and be heated to 1000 DEG C, insulation 360min;
2. taken out the combination blank of heating process, be rolled, first passage distortion 15%, through 10 passes, accumulative deflection 90%, mill speed 2m/s, finishing temperature 700 DEG C;
3. after rolling completes, cut the edge of sheet material after rolling, two blocks of titanium plates are natural separation due to the effect of interleaving agent, can obtain two pieces of titanium steel composite boards.
The titanium steel composite board obtained is carried out the test of bond strength, obtaining interface bond strength is 230MPa.Wherein, bond strength assay method performs according to shearing test method in GB/T 6396-2008.
Claims (7)
1. the group material method of titanium steel composite board, is characterized in that, comprise the steps:
A, to get the raw materials ready: prepare the identical steel plate of two block specifications, the titanium plate that two block specifications are identical, four blocks of side plates, remove surface oxide layer and the greasy dirt of steel plate, titanium plate and side plate respectively, wherein, described side plate material is identical with steel plate;
B, side plate process: perforate at least one piece in four blocks of side plates, and weld a seamless carbon steel tube at tapping;
C, welding: carry out symmetrical assembly according to the order of steel plate/titanium plate/titanium plate/steel plate, side plate is arranged on titanium plate surrounding, and between two block plates, the gap between steel plate with side plate and the gap between side plate with side plate are welded, become an assembly;
D, to vacuumize: after having welded, be connected with vavuum pump by seamless carbon steel tube, pressure be evacuated to assembly inside and be no more than 1 × 10
-2after Pa, seamless carbon steel tube is sealed, obtain combining blank.
2. the group material method of titanium steel composite board according to claim 1, is characterized in that: the seamless carbon steel tube wall thickness > 2mm described in b step.
3. the group material method of titanium steel composite board according to claim 1, is characterized in that: perforate on any a piece in four blocks of side plates.
4. the group material method of titanium steel composite board according to claim 1, is characterized in that: in step c, after the adjacent surface coating interleaving agent of two blocks of titanium plates, then carries out symmetrical assembly.
5. the group material method of titanium steel composite board according to claim 1, is characterized in that: in step c, adopts argon arc welding to carry out welded seal.
6. the milling method of titanium steel composite board, is characterized in that, comprises the steps:
1) heat: by combination blank heating to 780 ~ 1000 DEG C described in Claims 1 to 5, insulation 120 ~ 360min;
2) rolling: by heating after combination blank be rolled, finishing temperature at 600 ~ 700 DEG C, rolling total deformation >70%, single pass heavy deformation controls 5% ~ 15%, and mill speed is 0.1 ~ 2m/s;
3) finishing: four limits of the combination blank after excision rolling, obtain titanium steel composite board.
7. the milling method of titanium steel composite board according to claim 6, is characterized in that:
Step 1) in, combination blank heating to 950 DEG C, insulation 360min; Step 2) in, finishing temperature 660 DEG C, first passage distortion 10%, through 12 passes, accumulative deflection 88%, mill speed 0.2m/s.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282633A (en) * | 2016-04-04 | 2017-10-24 | 鞍钢股份有限公司 | A kind of method that Heavy Plate Production line produces Limit specifications steel plate |
| CN107775269A (en) * | 2016-08-25 | 2018-03-09 | 黄绍华 | A kind of composite plate and preparation method thereof |
| CN107790494A (en) * | 2016-08-31 | 2018-03-13 | 鞍钢股份有限公司 | A kind of hunchbacked base milling method of Heavy Plate Production 6mm thickness Limit specifications steel plate |
| CN107838194A (en) * | 2017-10-31 | 2018-03-27 | 成都先进金属材料产业技术研究院有限公司 | A kind of manufacture method of non-straight interface titanium steel composite board |
| CN108326516A (en) * | 2018-02-02 | 2018-07-27 | 南京钢铁股份有限公司 | A kind of preparation method of titanium steel composite board |
| CN109047331A (en) * | 2018-07-20 | 2018-12-21 | 燕山大学 | A kind of steel/aluminium thick composite plate hot rolling compounding method |
| CN109692884A (en) * | 2017-10-20 | 2019-04-30 | 鞍钢股份有限公司 | It is a kind of using IF steel as the titanium steel composite board of transition zone and its high temperature preparation method |
| CN110497160A (en) * | 2019-09-06 | 2019-11-26 | 鞍钢股份有限公司 | A kind of titanium steel composite board vacuum electron beam slot pulling assembly sealing method |
| CN110961455A (en) * | 2019-11-28 | 2020-04-07 | 湖南湘投金天钛金属股份有限公司 | Preparation process of titanium steel composite coil |
| CN113022718A (en) * | 2021-02-07 | 2021-06-25 | 首钢集团有限公司 | Steel plate for carriage, preparation method of steel plate and carriage |
| CN113020295A (en) * | 2021-03-25 | 2021-06-25 | 成都先进金属材料产业技术研究院股份有限公司 | Assembly method of titanium steel composite board raw material blank |
| CN113145665A (en) * | 2021-05-10 | 2021-07-23 | 成都先进金属材料产业技术研究院股份有限公司 | Chamber furnace isothermal heating method of TA titanium and Q235 steel composite board/coiled raw material blank |
| CN113145666A (en) * | 2021-05-10 | 2021-07-23 | 成都先进金属材料产业技术研究院股份有限公司 | Continuous furnace isothermal heating method for TA titanium and Q235 steel composite plate/coiled stock blank |
| CN113145667A (en) * | 2021-05-10 | 2021-07-23 | 成都先进金属材料产业技术研究院股份有限公司 | Continuous furnace high-temperature heating method for TA titanium and Q235 steel composite board/coiled raw material blank |
| CN113145663A (en) * | 2021-05-10 | 2021-07-23 | 成都先进金属材料产业技术研究院股份有限公司 | Chamber furnace heating method for TA titanium and Q235 steel composite board/coiled raw material blank |
-
2015
- 2015-05-15 CN CN201510247496.7A patent/CN104874634A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107282633A (en) * | 2016-04-04 | 2017-10-24 | 鞍钢股份有限公司 | A kind of method that Heavy Plate Production line produces Limit specifications steel plate |
| CN107775269A (en) * | 2016-08-25 | 2018-03-09 | 黄绍华 | A kind of composite plate and preparation method thereof |
| CN107790494A (en) * | 2016-08-31 | 2018-03-13 | 鞍钢股份有限公司 | A kind of hunchbacked base milling method of Heavy Plate Production 6mm thickness Limit specifications steel plate |
| CN109692884A (en) * | 2017-10-20 | 2019-04-30 | 鞍钢股份有限公司 | It is a kind of using IF steel as the titanium steel composite board of transition zone and its high temperature preparation method |
| CN107838194A (en) * | 2017-10-31 | 2018-03-27 | 成都先进金属材料产业技术研究院有限公司 | A kind of manufacture method of non-straight interface titanium steel composite board |
| CN108326516A (en) * | 2018-02-02 | 2018-07-27 | 南京钢铁股份有限公司 | A kind of preparation method of titanium steel composite board |
| CN109047331A (en) * | 2018-07-20 | 2018-12-21 | 燕山大学 | A kind of steel/aluminium thick composite plate hot rolling compounding method |
| CN110497160A (en) * | 2019-09-06 | 2019-11-26 | 鞍钢股份有限公司 | A kind of titanium steel composite board vacuum electron beam slot pulling assembly sealing method |
| CN110961455A (en) * | 2019-11-28 | 2020-04-07 | 湖南湘投金天钛金属股份有限公司 | Preparation process of titanium steel composite coil |
| CN113022718A (en) * | 2021-02-07 | 2021-06-25 | 首钢集团有限公司 | Steel plate for carriage, preparation method of steel plate and carriage |
| CN113020295A (en) * | 2021-03-25 | 2021-06-25 | 成都先进金属材料产业技术研究院股份有限公司 | Assembly method of titanium steel composite board raw material blank |
| CN113145665A (en) * | 2021-05-10 | 2021-07-23 | 成都先进金属材料产业技术研究院股份有限公司 | Chamber furnace isothermal heating method of TA titanium and Q235 steel composite board/coiled raw material blank |
| CN113145666A (en) * | 2021-05-10 | 2021-07-23 | 成都先进金属材料产业技术研究院股份有限公司 | Continuous furnace isothermal heating method for TA titanium and Q235 steel composite plate/coiled stock blank |
| CN113145667A (en) * | 2021-05-10 | 2021-07-23 | 成都先进金属材料产业技术研究院股份有限公司 | Continuous furnace high-temperature heating method for TA titanium and Q235 steel composite board/coiled raw material blank |
| CN113145663A (en) * | 2021-05-10 | 2021-07-23 | 成都先进金属材料产业技术研究院股份有限公司 | Chamber furnace heating method for TA titanium and Q235 steel composite board/coiled raw material blank |
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