CN109332923A - A kind of explosive welding ferritic stainless steel method for automatically split-jointing - Google Patents
A kind of explosive welding ferritic stainless steel method for automatically split-jointing Download PDFInfo
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- CN109332923A CN109332923A CN201811124743.4A CN201811124743A CN109332923A CN 109332923 A CN109332923 A CN 109332923A CN 201811124743 A CN201811124743 A CN 201811124743A CN 109332923 A CN109332923 A CN 109332923A
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- Prior art keywords
- welding
- stainless
- welded
- weld
- jointing
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
- B23K28/02—Combined welding or cutting procedures or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
- B23K20/08—Explosive welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/24—Preliminary treatment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/30—Stress-relieving
Abstract
A kind of explosive welding ferritic stainless steel method for automatically split-jointing, by explosive welding one-pass molding, surface quality is good, and plate form control is good, no wave transformation occurs, Weld Performance meets technical evaluation requirement, bending, and the performances such as shearing are all satisfied standard requirements, reduce the repairing step in production process, the weld metal zone and heat affected area of explosion postwelding do not occur the defects of fire check, and manpower is greatly saved, saves production cost.
Description
Technical field
The present invention relates to a kind of explosive welding splicing process methods of material, more particularly, to a kind of explosive welding iron element
Body stainless steel method for automatically split-jointing.
Background technique
0Cr13 type stainless steel mainly has a 06Cr13, several trades mark such as 06Cr13Al, and this kind of stainless steel has excellent resistance to
Hot property, is used primarily in coke drum, and in the large scale equipments such as petrochemical industries such as coal oil, this general plate of equipment is larger, and state
The stainless steel width of interior production is all within 1500mm, it is therefore desirable to carry out splicing to stainless steel and widen, due to this stainless steel
Contain martensitic structure in matrix, weldability is poor, and welding heat affected zone is caused under the effect of continuous Thermal Cycle
Welding point plasticity toughness reduces, after explosive welding, caused by the inductile and Thermal Cycle due to ferrite itself
The accumulation that heat affected area crystal grain is grown up with carbon, nitride on crystal boundary is very big in 0Cr13 type stainless steel welded joint constraint (restraint) degree
In the case of, by the effect of explosion, easily crack.
Currently, joining method of the explosive welding with ferritic stainless steel 0Cr13 type stainless steel, still largely manual using welding rod
The method of weldering carries out, and time-consuming, arduously, and operating environment is poor, is not filled silk using argon tungsten-arc welding from melting welding such as, is welded through explosion
After connecing, weld seam can generate a large amount of crackles, and weld seam must carry out plane mill processing, then built-up welding again, inefficiency.Using both the above
Welding method, which all exists, increases labor intensity, the low disadvantage of production efficiency.It is detailed in a kind of explosion weldering of ZL200810141254.X
It connects with 0Cr13 type ferritic stainless steel joining method.
Summary of the invention
The purpose of the present invention is be the above-mentioned ferritic stainless steel of solution in the Seam and heat effected zone after explosive welding
It is cracked because of blast impulse and crack propagation, and after exploding, needs to carry out weld seam plane mill, again the subsequent step such as built-up welding
Suddenly, the extremely low problem of production efficiency provides a kind of explosive welding ferritic stainless steel method for automatically split-jointing.
The deficiency of the present invention to solve above-mentioned technical problem, used technical solution is:
A kind of explosive welding ferritic stainless steel method for automatically split-jointing, includes the following steps:
Step 1: taking two stainless-steel sheets to be welded, two stainless-steel sheet welding grooves to be welded and groove two sides 50mm are removed
The dirts such as oil, water, rust or oxide layer in range, in order to avoid crack, stomata, be mingled with and keep appearance of weld bad；
Step 2: by treated in step 1, two pieces of stainless-steel sheets to be welded are put into workbench, and with piano type pressing plate pressure
Tight two pieces of stainless-steel sheets to be welded, the jigsaw gap of two pieces of stainless-steel sheets to be welded of control are 0 ~ 1mm；
Step 3: carrying out assembly tack welding to the stainless-steel sheet to be welded in step 2, control weld bond is concordant, staggered edge free, positioning
Weldering length is 7 ~ 12mm, and spacing is 100 ~ 200mm；
Step 4: plasma arc welding (PAW) carried out to the stainless-steel sheet after positioning welding in step 3, the electric current 120 of plasma welding ~
170A, 20 ~ 26V of voltage, 200 ~ 400mm/min of speed of welding, welding wire is using the ER321 welding wire after drying, in welding process, no
Interruption is sent into ER321 welding wire, and weld reinforcement controls in 0.5 ~ 1mm, and Plasma Welding heat input is more concentrated, therefore heat input is more
Small, heat affected area range is small, it is easier to penetrate connector, welding wire is using the ER321 welding wire after drying.It is essentially all of
The welding rod of ER309L welding wire or identical component is all selected in 0Cr13 welding, and during being tested, we are also used
ER309L welding wire, as a result still there are a large amount of crackles in weld seam, selects in ER321 welding wire ratio ER309L component of weld wire and increases titanium member
Element plays the role of grid through metallographic observation titanium elements in weld seam, various elements are linked to be it is netted, to increase weld seam
The plasticity and toughness in area, to improve the cracking resistance of weld metal zone and heat affected area；
Step 5: welding after the completion of, weld reinforcement is polished, and face of weld rubbing down is handled, control finish be 0.1 ~
1.6；
Step 6: carrying out explosion weldering with Substrate sheet using treated the face of weld of rubbing down in step 5 as explosion faying face
It connects；
Step 7: composite plate is carried out 800 DEG C of annealings, splicing is completed after the completion of explosive welding.
The beneficial effects of the present invention are: welding one-pass molding of the invention, surface quality is good, and plate form control is good, no wave
Wave deformation occurs, and Weld Performance meets technical evaluation requirement, is bent, and the performances such as shearing are all satisfied standard requirements, reduces production
Repairing step in the process, the weld metal zone and heat affected area for the postwelding that explodes do not occur the defects of fire check, manpower are greatly saved,
Save production cost.
Specific embodiment
Specific embodiment is as follows:
Embodiment one
Step 1: large area 0Cr13 composite plate manufactures, by two blocks of 06Cr13AL plates to be spliced, having a size of 3*1500*6800 and
3*1300*6800mm is placed on Splicing welding machine, removes the dirts such as oil, water, rust, the oxide layer within the scope of the 50mm of welding plate two sides；
Step 2: being compressed test plate (panel) to be welded with piano type pressing plate, gap is controlled between 0 ~ 0.5mm；
Step 3: weld bond should be concordant when assembly tack welding, staggered edge free, tack welding length is 7 ~ 12mm, and spacing is 100 ~ 200mm；
Step 4: 120 ~ 170A of electric current of setting plasma welding, 20 ~ 26V of voltage, 200 ~ 400mm/min of speed of welding were welded
Cheng Zhong, uninterrupted to be sent into ER321 welding wire, welding wire selects diameter phi 0.8mm, it is ensured that weld seam fills up, and reinforcement is controlled in 0.5 ~ 1mm
It is interior；
Step 5: polishing weld reinforcement, and surface polishing is clean after the completion of welding, control finish is 1.6, as quick-fried
Fried faying face；
Step 6: base's Q345R plate of the selection having a size of 22*2750*6750 carries out explosive welding；
Step 7: composite plate is carried out 800 DEG C of annealings after the completion of explosive welding, splicing is completed, and carries out lossless inspection to weld seam
It surveys, joint performance is qualified as the result is shown, and mechanical property result meets standard requirements.
Embodiment two
Step 1: large area 0Cr13 composite plate manufactures, by two blocks of 06Cr13 plates to be spliced, having a size of 4*1400*5800 and 4*
1200*5800mm is placed on Splicing welding machine, removes the dirts such as oil, water, rust, the oxide layer within the scope of the 50mm of welding plate two sides；
Step 2: being compressed test plate (panel) to be welded with piano type pressing plate, gap is controlled between 0 ~ 1mm；
Step 3: weld bond should be concordant when assembly tack welding, staggered edge free, tack welding length is 7 ~ 12mm, and spacing is 100 ~ 200mm；
Step 4: 120 ~ 170A of electric current of setting plasma welding, 20 ~ 26V of voltage, 200 ~ 400mm/min of speed of welding were welded
Cheng Zhong, uninterrupted to be sent into ER321 welding wire, welding wire selects diameter phi 1.2mm, it is ensured that weld seam fills up, and reinforcement is controlled in 0.5 ~ 1mm
It is interior；
Step 5: polishing weld reinforcement, and surface polishing is clean after the completion of welding, control finish is 0.1, as quick-fried
Fried faying face；
Step 6: base's Q345R steel plate of the selection having a size of 22*2550*5750 carries out explosive welding；
Step 7: composite plate is carried out 800 DEG C of annealings after the completion of explosive welding, splicing is completed, and carries out lossless inspection to weld seam
It surveys, joint performance is qualified as the result is shown, and mechanical property result meets standard requirements.
Technical solution cited by the present invention and embodiment and non-limiting, with technical solution cited by the present invention and
Embodiment is equivalent or effect same approach is all in the range of the present invention is protected.
Claims (2)
1. a kind of explosive welding ferritic stainless steel method for automatically split-jointing, characterized by the following steps:
Step 1: taking two stainless-steel sheets to be welded, two stainless-steel sheet welding grooves to be welded and groove two sides 50mm are removed
Dirt in range；
Step 2: by treated in step 1, two pieces of stainless-steel sheets to be welded are put into workbench, and with piano type pressing plate pressure
Tight two pieces of stainless-steel sheets to be welded, the jigsaw gap of two pieces of stainless-steel sheets to be welded of control are 0 ~ 1mm；
Step 3: carrying out assembly tack welding to the stainless-steel sheet to be welded in step 2, control weld bond is concordant, staggered edge free, positioning
Weldering length is 7 ~ 12mm, and spacing is 100 ~ 200mm；
Step 4: plasma arc welding (PAW) carried out to the stainless-steel sheet after positioning welding in step 3, the electric current 120 of plasma welding ~
170A, 20 ~ 26V of voltage, 200 ~ 400mm/min of speed of welding, welding wire is using the ER321 welding wire after drying, in welding process, no
Interruption is sent into ER321 welding wire, and weld reinforcement controls in 0.5 ~ 1mm；
Step 5: welding after the completion of, weld reinforcement is polished, and face of weld rubbing down is handled, control finish be 0.1 ~
1.6；
Step 6: carrying out explosion weldering with Substrate sheet using treated the face of weld of rubbing down in step 5 as explosion faying face
It connects；
Step 7: composite plate is carried out 800 DEG C of annealings, splicing is completed after the completion of explosive welding.
2. a kind of explosive welding ferritic stainless steel method for automatically split-jointing according to claim 1, it is characterised in that: institute
Dirt in the step of stating one refers to any one in oil, water, rust or oxide layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811124743.4A CN109332923B (en) | 2018-09-26 | 2018-09-26 | Automatic splicing method of ferritic stainless steel for explosive welding |
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|---|---|---|---|
| CN201811124743.4A CN109332923B (en) | 2018-09-26 | 2018-09-26 | Automatic splicing method of ferritic stainless steel for explosive welding |
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| CN109332923A true CN109332923A (en) | 2019-02-15 |
| CN109332923B CN109332923B (en) | 2021-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948109A (en) * | 2019-11-28 | 2020-04-03 | 西部金属材料股份有限公司 | Welding method of magnesium-based and aluminum-based dissimilar metal plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07224358A (en) * | 1994-02-14 | 1995-08-22 | Yamaki Kogyo Kk | Superstainless steel clad stainless steel sheet |
| CN101352784A (en) * | 2008-08-25 | 2009-01-28 | 洛阳双瑞金属复合材料有限公司 | Method for splicing 0Cr13 type ferritic stainless steel for explosive welding |
| CN101554680A (en) * | 2008-12-08 | 2009-10-14 | 四川惊雷科技股份有限公司 | Explosive welding method for SUS444 ferrite stainless steel composite steel plate |
| CN102225510A (en) * | 2011-06-09 | 2011-10-26 | 洛阳双瑞金属复合材料有限公司 | Method for producing exploded/rolled big area titanium steel composite plate |
| CN104741880A (en) * | 2015-04-15 | 2015-07-01 | 西安天力金属复合材料有限公司 | Zirconium/steel composite board preparation method |
| CN105057353A (en) * | 2015-08-04 | 2015-11-18 | 南京钢铁股份有限公司 | Rolling method for explosive cladding titanium-steel-titanium double-faced composite board |
| CN107598490A (en) * | 2017-09-15 | 2018-01-19 | 舞钢神州重工金属复合材料有限公司 | A kind of clad steel plate preparation method |
-
2018
- 2018-09-26 CN CN201811124743.4A patent/CN109332923B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07224358A (en) * | 1994-02-14 | 1995-08-22 | Yamaki Kogyo Kk | Superstainless steel clad stainless steel sheet |
| CN101352784A (en) * | 2008-08-25 | 2009-01-28 | 洛阳双瑞金属复合材料有限公司 | Method for splicing 0Cr13 type ferritic stainless steel for explosive welding |
| CN101554680A (en) * | 2008-12-08 | 2009-10-14 | 四川惊雷科技股份有限公司 | Explosive welding method for SUS444 ferrite stainless steel composite steel plate |
| CN102225510A (en) * | 2011-06-09 | 2011-10-26 | 洛阳双瑞金属复合材料有限公司 | Method for producing exploded/rolled big area titanium steel composite plate |
| CN104741880A (en) * | 2015-04-15 | 2015-07-01 | 西安天力金属复合材料有限公司 | Zirconium/steel composite board preparation method |
| CN105057353A (en) * | 2015-08-04 | 2015-11-18 | 南京钢铁股份有限公司 | Rolling method for explosive cladding titanium-steel-titanium double-faced composite board |
| CN107598490A (en) * | 2017-09-15 | 2018-01-19 | 舞钢神州重工金属复合材料有限公司 | A kind of clad steel plate preparation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948109A (en) * | 2019-11-28 | 2020-04-03 | 西部金属材料股份有限公司 | Welding method of magnesium-based and aluminum-based dissimilar metal plate |
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| CN109332923B (en) | 2021-08-10 |
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Effective date of registration: 20210120 Address after: No. 169, Binhe South Road, Luolong District, Luoyang City, Henan Province Applicant after: NO.725 RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. Address before: 471000 shuangxiang Road, Luoxin Industrial Park, Xin'an County, Luoyang City, Henan Province Applicant before: LUOYANG SHUANGRUI METAL COMPOSITE MATERIALS Co.,Ltd. |
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