CN109249183A - Production method of titanium steel composite steel plate - Google Patents
Production method of titanium steel composite steel plate Download PDFInfo
- Publication number
- CN109249183A CN109249183A CN201710569455.9A CN201710569455A CN109249183A CN 109249183 A CN109249183 A CN 109249183A CN 201710569455 A CN201710569455 A CN 201710569455A CN 109249183 A CN109249183 A CN 109249183A
- Authority
- CN
- China
- Prior art keywords
- plate
- titanium
- steel
- substrate
- isolation board
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 229910001200 Ferrotitanium Inorganic materials 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000002131 composite material Substances 0.000 title abstract description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 33
- 239000010936 titanium Substances 0.000 claims abstract description 33
- 238000002955 isolation Methods 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 238000009966 trimming Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 13
- 238000002791 soaking Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000000643 oven drying Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000010583 slow cooling Methods 0.000 claims description 3
- 238000005238 degreasing Methods 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010894 electron beam technology Methods 0.000 abstract 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a production method of a titanium steel composite steel plate, which comprises a base plate, an intermediate plate and a titanium plate, wherein the intermediate plate, the titanium plate and an isolation plate are sequentially placed in a groove of the base plate, and one surface of the titanium plate coated with an isolating agent faces the isolation plate; and spot welding the periphery of the isolation plate and the substrate, symmetrically stacking two spot-welded plate blanks, and conveying the combined blank to a vacuum electron beam welding box for welding. And preheating, heating, rolling, trimming and separating the welded plate blank to obtain a finished product. The intermediate plate IF steel plate is arranged on the rolled titanium steel composite steel plate, the binding force between the titanium plate and the IF steel is superior to Q235, and the titanium steel composite steel plate has a good binding effect and meets the use requirements of users.
Description
Technical field
The present invention relates to clad steel plate production field, in particular to a kind of titanium steel clad steel plate production method.
Background technique
Titanium is widely used as various chemical reaction containers, heat exchanger material due to its excellent corrosion resistance, but disadvantage
It is higher cost.This problem is especially prominent when using especially as structure member, and effective solution method is exactly to use titanium
Steel clad steel plate.The composite wood of titanium and ordinary steel is referred to as titanium steel composite wood, the corrosion resistance of existing titanium, and has general steel plate conduct
The intensity of works, it is important that cost also sharp fall.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of titanium steel clad steel plate production method, steel plate combination effects
It is good.
To achieve the above object, the present invention is implemented with the following technical solutions:
A kind of titanium steel clad steel plate, the titanium steel clad steel plate include substrate, intermediate plate, titanium plate, substrate material Q235,
Intermediate plate material is IF steel.
Substrate thickness is 125-135mm, intermediate plate thickness 0.5-1mm, titanium plate thickness 15-25mm.
A kind of titanium steel clad steel plate production method, the production method the following steps are included:
Step 1: raw material preparation
A. it is stand-by to be processed into identical size for titanium plate, intermediate plate, isolation board；
B. one groove of processing is hit exactly in substrate slab, groove size is matched with the size of titanium plate, intermediate plate and isolation board, recessed
The depth of slot than titanium plate, intermediate plate and isolation board total thickness more than 1.5-2.0mm；
C. steel slab surface degreasing processing after processing is completed；
D. in titanium plate one side, uniformly one layer of interleaving agent of coating, standing are dried；
Step 2: group material and welding
A. be sequentially placed intermediate plate, titanium plate, isolation board in the groove of substrate, titanium plate be coated with the one of interleaving agent facing towards every
From plate；
B. after the completion of placing, isolation board surrounding and substrate are subjected to spot welding, solder joint does not allow prominent plane；
C. the slab after the completion of two pieces of spot welding is symmetrically stacked, formed from top to bottom be respectively substrate, intermediate plate, titanium plate,
Isolation board, isolation board, titanium plate, intermediate plate, substrate blank；
D. the blank combined is sent to electron-bombardment welding case and is welded, vacuum degree < 10-2Pa；
Step 3: preheating
A. cell-type stove heating is used, batch-type furnace need to shift to an earlier date baker 12-16h, oven drying temperature >=800 DEG C；
B. start shove charge when furnace temperature is down to 500-600 DEG C；
C. burner is closed after blank shove charge, come out of the stove when furnace temperature is down to 80-100 DEG C；
D. it is transferred quickly to rolling line roller-way after blank is come out of the stove, does not allow to stop in roller-way；
Step 4: hot-leveling
1 or 2 passage hot-levelings are carried out using roughing mill, absolute deformation amount 5-6mm, offline slow cooling is to room after smooth
Temperature；
Step 5: heating and rolling
A. stepped heating stove heating is used；Blank enters furnace by soaking zone, and whole process is located in the middle part of soaking zone, and soaking zone is not
Other blanks must be put into；
B. bringing-up section furnace temperature≤900 DEG C, 900 ± 5 DEG C of soaking zone furnace temperature, in furnace total time 300-330min；
C. it is rolled using big pressure, continuous three pass deformation >=15%, 800 ± 10 DEG C of finishing temperature；
D. ACC on-line cooling is carried out after rolling, and enters 780 ± 10 DEG C of coolant-temperature gage, 5-7 DEG C of cooling rate/s, final cooling temperature 650 ± 20
℃；
Step 6: trimming
A. it detects a flaw and determines titanium steel clad steel plate boundary position；
B. the baseplate part on titanium steel clad steel plate boundary is cut to the greatest extent on trimming unit, only retains titanium steel clad steel plate portion
Point；
C. titanium steel clad steel plate is separated with isolation board；
The isolation board material is Q235.
Compared with prior art, the beneficial effects of the present invention are:
Titanium steel clad steel plate after present invention rolling, is arranged intermediate plate IF steel plate, titanium plate and the binding force of IF steel are better than
Q235, titanium steel clad steel plate combination effect of the invention is good, meets user usage requirements.
Specific embodiment
Below with reference to embodiment, the present invention is further described:
The present invention will be described in detail for following embodiment.These embodiments be only to preferred embodiment of the invention into
Row description, does not limit the scope of the present invention.
Embodiment
Titanium steel clad steel plate production method, comprising the following steps:
Step 1: raw material preparation
1. compound plate: material TA2, cut deal finished product, size 20*1150*1150mm, 2.Processing request: single side milling is deep
Degree >=2mm；Surfacing zero defect does not allow wedge shape, camber occur, unevenness≤3mm/m, 5.5 μm of roughness Ra <.
2. substrate: material Q235, intermediate base, size 132*2000*3000mm, 2 pieces.Processing request: blank is machined to
Above-mentioned specification, single side milling depth >=2mm；It is hit exactly in slab, processes size groove identical with titanium plate specification with milling machine,
Depth of groove is (IF steel+titanium plate+Q235 plate+1.5mm) practical overall thickness.Groove surrounding and bottom zero defect, surface roughness
5.5 μm of Ra <.
3. middle layer: material IF steel, cold rolling finished product, size 0.5*1150*1150mm, 2.Processing request: surfacing,
The defects of no rusty stain, crackle, scuffing.
4. isolation board: Q235, cut deal finished product, size 10*1150*1150mm, 2.Processing request: surfacing, nothing
The defects of rusty stain, crackle, scuffing.
5. titanium plate after processing is completed and Q235 slab, IF steel cold-reduced sheet, Q235 hot rolled plate surface cleaned and (make with acetone
Wiped with non-woven fabrics), do not allow greasy residues.
6. in titanium plate one side, uniformly one layer of interleaving agent of coating, standing are dried.
Step 2: group material and welding
1. being sequentially placed IF steel, titanium plate (being coated with interleaving agent one side upward), Q235 plate in every piece of Q235 slab groove.
2. after the completion of placing, Q235 hot rolled plate and Q235 slab surrounding are carried out spot welding, weld is not allow for prominent flat
The presence in face, if so, sanding and polishing is needed to remove.
3. the Q235 plate after the completion of two pieces of spot welding is symmetrically stacked, from top to bottom respectively Q235, IF steel, TA2, Q235
The sequence completion blank combination of (10mm), Q235 (10mm), TA2, IF steel, Q235.
4. all blanks need protection blank surface in handling, moving process, avoid generating scuffing and secondary pollution, if having
The generations such as greasy dirt will be cleaned with acetone immediately.
It is welded 5. sending the blank combined to electron-bombardment welding case, does not allow that blank occurs in moving process wrong
It is dynamic, vacuum degree < 10-2Pa。
Step 3: preheating
1. using cell-type stove heating, batch-type furnace need to shift to an earlier date baker 12h, oven drying temperature >=800 DEG C.
2. closing batch-type furnace burner, start shove charge when furnace temperature is down to 600 DEG C.
3. closing burner after blank shove charge, come out of the stove when furnace temperature is down to 100 DEG C.
4. blank is hoisted to rolling line roller-way with crane rapidly after coming out of the stove, do not allow to stop in roller-way.
Step 4: hot-leveling
1 or 2 passage hot-levelings, absolute deformation amount 5mm are carried out using roughing mill.Offline slow cooling is to room temperature after smooth.
Step 5: heating and rolling
1. using stepped heating stove heating.Blank enters furnace by soaking zone, and whole process is located in the middle part of soaking zone, and soaking zone is not
Other blanks must be put into.
2. bringing-up section furnace temperature≤900 DEG C, 900 ± 5 DEG C of soaking zone furnace temperature, in furnace total time 300min.
3. using big pressure rolling, continuous three pass deformation >=15%, 800 ± 10 DEG C of finishing temperature.
4. carrying out ACC on-line cooling after rolling, enter 780 ± 10 DEG C of coolant-temperature gage, 650 ± 20 DEG C of final cooling temperature of 5 DEG C/s of cooling rate
Step 6: trimming
Titanium-steel composite board boundary position is determined 1. detecting a flaw.
2. cutting the baseplate part on titanium steel clad steel plate boundary to the greatest extent on trimming unit, only retain titanium steel clad steel plate portion
Point；
3. titanium steel clad steel plate is separated with isolation board.
Claims (4)
1. a kind of titanium steel clad steel plate, which is characterized in that the titanium steel clad steel plate includes substrate, intermediate plate, titanium plate, substrate material
Matter is Q235, and intermediate plate material is IF steel.
2. with according to a kind of titanium steel clad steel plate described in claim 1, which is characterized in that substrate thickness 125-135mm, it is intermediate
Plate thickness is 0.5-1mm, titanium plate thickness 15-25mm.
3. a kind of titanium steel clad steel plate production method, which is characterized in that the production method the following steps are included:
Step 1: raw material preparation
A. it is stand-by to be processed into identical size for titanium plate, intermediate plate, isolation board；
B. one groove of processing is hit exactly in substrate slab, groove size is matched with the size of titanium plate, intermediate plate and isolation board, groove
Depth than titanium plate, intermediate plate and isolation board total thickness more than 1.5-2.0mm；
C. steel slab surface degreasing processing after processing is completed；
D. in titanium plate one side, uniformly one layer of interleaving agent of coating, standing are dried；
Step 2: group material and welding
A. intermediate plate, titanium plate, isolation board are sequentially placed in the groove of substrate, titanium plate is coated with the one of interleaving agent facing towards isolation
Plate；
B. after the completion of placing, isolation board surrounding and substrate are subjected to spot welding, solder joint does not allow prominent plane；
C. the slab after the completion of two pieces of spot welding is symmetrically stacked, being formed from top to bottom is respectively substrate, intermediate plate, titanium plate, isolation
Plate, isolation board, titanium plate, intermediate plate, substrate blank；
D. the blank combined is sent to electron-bombardment welding case and is welded, vacuum degree < 10-2Pa；
Step 3: preheating
A. cell-type stove heating is used, batch-type furnace need to shift to an earlier date baker 12-16h, oven drying temperature >=800 DEG C；
B. start shove charge when furnace temperature is down to 500-600 DEG C；
C. burner is closed after blank shove charge, come out of the stove when furnace temperature is down to 80-100 DEG C or less；
D. it is transferred quickly to rolling line roller-way after blank is come out of the stove, does not allow to stop in roller-way；
Step 4: hot-leveling
1 or 2 passage hot-levelings are carried out using roughing mill, absolute deformation amount 5-6mm, offline slow cooling is to room temperature after smooth；
Step 5: heating and rolling
A. stepped heating stove heating is used；Blank enters furnace by soaking zone, and whole process is located in the middle part of soaking zone, and soaking zone must not be put
Enter other blanks；
B. bringing-up section furnace temperature≤900 DEG C, 900 ± 5 DEG C of soaking zone furnace temperature, in furnace total time 300-330min；
C. it is rolled using big pressure, continuous three pass deformation >=15%, 800 ± 10 DEG C of finishing temperature；
D. ACC on-line cooling is carried out after rolling, and enters 780 ± 10 DEG C of coolant-temperature gage, 5-7 DEG C of cooling rate/s, 650 ± 20 DEG C of final cooling temperature；
Step 6: trimming
A. it detects a flaw and determines titanium steel clad steel plate boundary position；
B. the baseplate part on titanium steel clad steel plate boundary is cut to the greatest extent on trimming unit, only retains titanium steel clad steel plate part；
C. titanium steel clad steel plate is separated with isolation board.
4. titanium steel clad steel plate production method according to claim 2, which is characterized in that the isolation board material is
Q235。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710569455.9A CN109249183B (en) | 2017-07-13 | 2017-07-13 | Production method of titanium steel composite steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710569455.9A CN109249183B (en) | 2017-07-13 | 2017-07-13 | Production method of titanium steel composite steel plate |
Publications (2)
| Publication Number | Publication Date |
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| CN109249183A true CN109249183A (en) | 2019-01-22 |
| CN109249183B CN109249183B (en) | 2020-09-29 |
Family
ID=65051135
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710569455.9A Active CN109249183B (en) | 2017-07-13 | 2017-07-13 | Production method of titanium steel composite steel plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497160A (en) * | 2019-09-06 | 2019-11-26 | 鞍钢股份有限公司 | Vacuum electron beam grooving assembly sealing welding method for titanium steel composite plate |
| CN110539066A (en) * | 2019-09-06 | 2019-12-06 | 鞍钢股份有限公司 | Vacuum electron beam assembly seal welding method for high-alloy steel titanium composite plate |
| CN111774748A (en) * | 2020-07-08 | 2020-10-16 | 鞍钢股份有限公司 | High-quality assembly and welding method of heterogeneous composite blank |
| CN113145664A (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 high-temperature heating method for TA titanium and Q235 steel composite board/coiled 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 |
| CN113523731A (en) * | 2021-08-12 | 2021-10-22 | 东台耀强机械制造有限公司 | High-quality patterned steel plate pipe coiling process |
| CN113977059A (en) * | 2021-11-17 | 2022-01-28 | 山东钢铁集团日照有限公司 | Method for sealing and welding composite plate vacuum electron beam assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01317688A (en) * | 1988-06-15 | 1989-12-22 | Kawasaki Steel Corp | Manufacture of composite coated steel plate |
| CN103231216A (en) * | 2013-05-10 | 2013-08-07 | 山东亚盛重工股份有限公司 | Manufacturing technique and device for composite board |
| CN104259742A (en) * | 2014-07-23 | 2015-01-07 | 南京润邦金属复合材料有限公司 | Embedded vacuum rolling method of titanium/steel laminated metal |
| CN104259772A (en) * | 2014-09-03 | 2015-01-07 | 钢铁研究总院 | Method for manufacturing titanium-steel composite plate |
| CN106424136A (en) * | 2016-09-29 | 2017-02-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Titanium-steel composite plate with IF steel as middle layer and manufacturing method thereof |
-
2017
- 2017-07-13 CN CN201710569455.9A patent/CN109249183B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01317688A (en) * | 1988-06-15 | 1989-12-22 | Kawasaki Steel Corp | Manufacture of composite coated steel plate |
| CN103231216A (en) * | 2013-05-10 | 2013-08-07 | 山东亚盛重工股份有限公司 | Manufacturing technique and device for composite board |
| CN104259742A (en) * | 2014-07-23 | 2015-01-07 | 南京润邦金属复合材料有限公司 | Embedded vacuum rolling method of titanium/steel laminated metal |
| CN104259772A (en) * | 2014-09-03 | 2015-01-07 | 钢铁研究总院 | Method for manufacturing titanium-steel composite plate |
| CN106424136A (en) * | 2016-09-29 | 2017-02-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Titanium-steel composite plate with IF steel as middle layer and manufacturing method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497160A (en) * | 2019-09-06 | 2019-11-26 | 鞍钢股份有限公司 | Vacuum electron beam grooving assembly sealing welding method for titanium steel composite plate |
| CN110539066A (en) * | 2019-09-06 | 2019-12-06 | 鞍钢股份有限公司 | Vacuum electron beam assembly seal welding method for high-alloy steel titanium composite plate |
| CN110539066B (en) * | 2019-09-06 | 2021-12-24 | 鞍钢股份有限公司 | Vacuum electron beam assembly seal welding method for high-alloy steel titanium composite plate |
| CN111774748A (en) * | 2020-07-08 | 2020-10-16 | 鞍钢股份有限公司 | High-quality assembly and welding method of heterogeneous composite blank |
| CN113145664A (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 high-temperature heating method for TA titanium and Q235 steel composite board/coiled 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 |
| CN113523731A (en) * | 2021-08-12 | 2021-10-22 | 东台耀强机械制造有限公司 | High-quality patterned steel plate pipe coiling process |
| CN113977059A (en) * | 2021-11-17 | 2022-01-28 | 山东钢铁集团日照有限公司 | Method for sealing and welding composite plate vacuum electron beam assembly |
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