CN104646803B - Low alloy steel plate and the welding method of ship plate - Google Patents
Low alloy steel plate and the welding method of ship plate Download PDFInfo
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- CN104646803B CN104646803B CN201510082460.8A CN201510082460A CN104646803B CN 104646803 B CN104646803 B CN 104646803B CN 201510082460 A CN201510082460 A CN 201510082460A CN 104646803 B CN104646803 B CN 104646803B
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- welding
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- alloy steel
- low alloy
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- 238000003466 welding Methods 0.000 title claims abstract description 108
- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 3
- 239000002537 cosmetic Substances 0.000 claims abstract description 3
- 238000005520 cutting process Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- -1 greasy dirt Substances 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 239000002932 luster Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 239000011505 plaster Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003814 drug Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000011109 contamination Methods 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 description 4
- 238000007778 shielded metal arc welding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010044456 Transverse presentation Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/013—Arc cutting, gouging, scarfing or desurfacing
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses the welding method of a kind of low alloy steel plate and ship plate, relate to welding technology field；The present invention is by analyzing and test; define the process that will need before above-mentioned two kinds of xenogenesis Plate Weldings to be removed contamination in groove, wlding surface; between steel plate and steel plate, weld width is less than 1mm, and the reverse side using gas shield to be welded in plate seam carries out tack welding, accomplish full at striking, receive at arc and fill up arc crater；Welding by little specification, multi-pass welding, every weld seam has backing welding and cosmetic welding；Plate seam uses carbon arc air gouging finished edge, bevel angle 60 ° ~ 70 °, then polishes, before welding, with cutting torch, welding position and both sides thereof is carried out baking and remove moisture, and between weld seam layer, road, temperature controls below 100 DEG C.The present invention can solve current low alloy steel plate and weld the problem that the welding productivity existed is low, weld seam total quality is poor, Welding Structure deformation is big with ship plate.
Description
Technical field
The present invention relates to welding technology field, a kind of work low alloy steel plate and ship plate welded together
Process.
Background technology
At shipbuilding enterprise, often encounter different steel weld different for linear expansion coefficient situation together, as by low
Alloy-steel plate welds together with ship plate, for welding of low-alloy steel and ship plate, the most all uses E5015 welding rod
Carry out SMAW, due to the feature of material itself, during welding must arc-welding method by hand, inefficiency, welding operation
Difficulty, welder's labor intensity is big；Because E5015 SMAW heat input is relatively big, and low alloy steel plate has intensity height, and line is swollen
The feature that swollen coefficient is big, therefore welding process easily produces welding deformation, especially there will be significantly flexure during plate sheet welding
Deformation, after welding, deformation is difficult to correct；Simultaneously as the inherent character of material, when using E5015 to carry out SMAW,
Integral solder difficult quality guarantee.
Summary of the invention
It is an object of the invention to provide a kind of process being carried out with ship plate by low alloy steel plate and welding, it is permissible
Solve shipyard current low alloy steel plate weld with ship plate that the welding productivity of existence is low, weld seam total quality is poor, weld
The problem that malformation is big.
In order to solve the problems referred to above, the technical solution used in the present invention is:
This low alloy steel plate and the welding method of common ship plate,
A, welding procedure
1) weld seam of low alloy steel plate and ship plate docking employing gapless to install, locally weld width is less than 1mm,
The reverse side using gas shield to be welded in plate seam carries out tack welding, a length of 25 ~ 35mm of tack welding, full at striking, receive at arc and fill out
Full arc crater, uses multi-pass welding, every weld seam backing welding to be had and cosmetic welding；
2) plate seam uses carbon arc air gouging finished edge, bevel angle 60 ° ~ 70 °, then polishes, in groove and two
Descale in the range of each 30mm in side, rust, slag, paint, greasy dirt, plaster, the dirt such as water stain, until groove and both sides thereof
Metallic luster is exposed on surface；
3), before welding, remove moisture with carrying out baking in the range of cutting torch 50mm each to welding position and both sides thereof；
4) welding process is welded by little specification, forbids to weld by big specification；
5) between weld seam layer, road, temperature controls below 100 DEG C；
B, welding condition
1) mother metal thickness: 8mm ~ 20 mm；
2) welding consumptive material: welding wire be flux-cored wire or stainless steel welding stick, protective gas be CO2；
3) welding equipment: YD-350GM digital Panasonic welding machine, YW-35KB wire-feed motor, air-cooled automatic welding gun；
4) welding current: 100 ~ 150A；
5) weldingvoltage: 20 ~ 24V；
6) speed of welding: 14 ~ 16m/h；
7) gas flow: 15 ~ 20L/min；
8) dry extension of electrode degree: 8 ~ 12mm.
In above technical scheme, further scheme is: described flux-cored wire is that the Hyundai company of Ф 1.2 produces
Supercored71 welding wire；Described welding protection gas is CO2Gas；Described digital welding machine is YD-350GM Panasonic welding machine,
Described wire-feed motor is YW-35KB Panasonic wire-feed motor.
Owing to have employed technique scheme, the present invention compared with prior art has the advantages that
1, using this welding method, reduce welding operation difficulty, reduce Welding Structure deformation, its integral solder quality obtains
To ensureing；
2, using this welding method, substantially increase production efficiency, the labor intensity of welder is substantially reduced.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described:
Choosing the present invention and 903+CCSB dissimilar steel is carried out MIG welding, detailed description of the invention is as follows:
The low alloy steel plate flat butt welding of+CCSB ship plate of embodiment 1:903
Mean place requires: weld slope is 0 ° ~ 5 °, and weld rotation is 0 ° ~ 10 °,
Welding equipment: YD-350GM welding machine is equipped with YW-35KB wire-feed motor, air-cooled automatic welding gun,
Welding wire: Supercored71(Hyundai company produces flux-cored wire) Ф 1.2
Gas: the CO of 99.9%2Gas.
Technological parameter: table one
Mean place structure welding is carried out by this.
The low alloy steel plate horizontal butt welding of+CCSB ship plate of embodiment 2:903
Horizontal status requirement: weld slope is 0 ° ~ 5 °, weld rotation is 0 ° ~ 90 °,
Welding equipment: YD-350GM welding machine is equipped with YW-35KB wire-feed motor, air-cooled automatic welding gun,
Welding wire: ER309L(stainless steel welding stick) Ф 1.2
Gas: the CO of 99.9%2Gas.
Technological parameter: table two
Carry out transverse presentation by this and put structure welding.
Embodiment 3:903 low alloy steel plate+CCSB ship plate faces upward butt welding
Facing upward status requirement: weld slope is 0 ° ~ 15 °, weld rotation is 165 ° ~ 180 °,
Welding equipment: YD-350GM welding machine is equipped with YW-35KB wire-feed motor, air-cooled automatic welding gun,
Welding wire: Supercored71(Hyundai company produces flux-cored wire) Ф 1.2
Gas: 99.9%CO2Gas.
Technological parameter: table three
Carry out facing upward positional structure welding by this.
Embodiment 4:903 low alloy steel plate+CCSB ship plate stands butt welding
Vertical status requirement: weld slope is 80 ° ~ 90 °, and weld rotation is 0 ° ~ 180 °,
Welding equipment: YD-350GM welding machine is equipped with YW-35KB wire-feed motor, air-cooled automatic welding gun,
Welding wire: Supercored71(Hyundai company produces flux-cored wire) Ф 1.2
Gas: 99.9% CO2Gas.
Technological parameter: table four
Vertical positional structure welding is carried out by this.
Postwelding has carried out visual examination, X-ray film making, Mechanics Performance Testing to the weld seam of above four kinds of each position welding, its
Result is as follows:
One. visual examination result (evaluation criteria: CB/4000-2005): table five
Two .X light film making result (evaluation criteria: CB/T3558-2011):
Weld seam checks through X-ray film making, internal flawless and the excessive defect such as slag inclusion, pore, and the evaluation of weld seam internal soundness is closed
Lattice.
Three. mechanical property result (evaluation criteria: GJB64.1A-97): table six
From above-mentioned result of the test it can be seen that the outward appearance of welding point and internal soundness, mechanical property are satisfied by relevant mark
Alignment request.
Use the present invention, the welding to 903 low alloy steel plate+CCSB ship plates, it is easy and simple to handle, production efficiency is high,
Appearance of weld is the most attractive in appearance, welding deformation is little, joint mechanical property is excellent.
Claims (2)
1. a low alloy steel plate and the welding method of ship plate, it is characterised in that:
A, welding procedure
1) weld seam of low alloy steel plate and ship plate docking employing gapless to install, locally weld width is less than 1mm, uses
Gas shield is welded in the reverse side of plate seam and carries out tack welding, a length of 25 ~ 35mm of tack welding, full at striking, receive at arc and fill up arc
Hole, uses multi-pass welding, every weld seam backing welding to be had and cosmetic welding；
2) plate seam uses carbon arc air gouging finished edge, bevel angle 60 ° ~ 70 °, then polishes, and groove is interior and both sides are each
Descale in the range of 30mm, rust, slag, paint, greasy dirt, plaster, the dirt such as water stain, until groove and both side surface thereof
Expose metallic luster；
3), before welding, remove moisture with carrying out baking in the range of cutting torch 50mm each to welding position and both sides thereof；
4) welding process is welded by little specification, forbids to weld by big specification；
5) between weld seam layer, road, temperature controls below 100 DEG C；
B, welding condition
1) mother metal thickness: 8mm ~ 20 mm；
2) welding consumptive material: welding wire be flux-cored wire or stainless steel welding stick, protective gas be CO2；
3) welding equipment: digital welding machine, wire-feed motor, air-cooled automatic welding gun；
4) welding current: 100 ~ 150A；
5) weldingvoltage: 20 ~ 24V；
6) speed of welding: 14 ~ 16m/h；
7) gas flow: 15 ~ 20L/min；
8) dry extension of electrode degree: 8 ~ 12mm；
Described low alloy steel plate and described ship plate are respectively 903 low alloy steel plates and CCSB ship plate.
A kind of low alloy steel plate the most according to claim 1 and the welding method of ship plate, it is characterised in that: described medicine
Core welding wire is that the Hyundai company of Ф 1.2mm produces Supercored71 welding wire；Described welding protection gas is CO2Gas；Institute
Stating digital welding machine is YD-350GM Panasonic welding machine, and described wire-feed motor is YW-35KB Panasonic wire-feed motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082460.8A CN104646803B (en) | 2015-02-15 | 2015-02-15 | Low alloy steel plate and the welding method of ship plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082460.8A CN104646803B (en) | 2015-02-15 | 2015-02-15 | Low alloy steel plate and the welding method of ship plate |
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| Publication Number | Publication Date |
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| CN104646803A CN104646803A (en) | 2015-05-27 |
| CN104646803B true CN104646803B (en) | 2016-09-21 |
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| CN201510082460.8A Active CN104646803B (en) | 2015-02-15 | 2015-02-15 | Low alloy steel plate and the welding method of ship plate |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106695080A (en) * | 2015-08-04 | 2017-05-24 | 烟台中集来福士海洋工程有限公司 | Welding method for plates for ships and marine engineering |
| CN105108451A (en) * | 2015-08-10 | 2015-12-02 | 安徽富煌钢构股份有限公司 | Welding method for dissimilar steel plate |
| CN106041254A (en) * | 2016-07-09 | 2016-10-26 | 滁州市恒信工贸有限公司 | Manual welding technology for automobile oil tank truck |
| CN107350601B (en) * | 2017-08-29 | 2020-02-21 | 南京中船绿洲机器有限公司 | Welding process for dissimilar metal materials in offshore operation equipment |
| CN110253112B (en) * | 2019-07-12 | 2022-09-13 | 中船桂江造船有限公司 | Welding method for 917 steel plate and 1Cr18Ni9Ti dissimilar steel |
| CN110253108B (en) * | 2019-07-12 | 2022-05-10 | 中船桂江造船有限公司 | Welding method for B-grade steel and 316L dissimilar steel |
| CN110421229A (en) * | 2019-07-12 | 2019-11-08 | 中船桂江造船有限公司 | A kind of EH36+CCSB ceramic substrate welding method |
| CN110253109B (en) * | 2019-07-12 | 2022-11-15 | 中船桂江造船有限公司 | Welding method for CCSB steel +1Cr18NI9TI dissimilar steel |
| CN115780967A (en) * | 2022-12-13 | 2023-03-14 | 南京航空航天大学无锡研究院 | Bottom layer welding process for ZGMn13Mo high manganese steel and A514 low alloy steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS63303080A (en) * | 1987-06-02 | 1988-12-09 | Nippon Steel Corp | Steel material for high-speed carbon dioxide gas welding |
| JP3836045B2 (en) * | 2002-04-25 | 2006-10-18 | 株式会社神戸製鋼所 | Fillet welding method by carbon dioxide arc welding |
| CN102009252A (en) * | 2010-12-01 | 2011-04-13 | 武昌船舶重工有限责任公司 | Vertical position welding process method of steel for high-strength hull structure |
| CN102029457B (en) * | 2010-12-01 | 2012-10-03 | 武昌船舶重工有限责任公司 | Vertical butt welding process of high-strength steel for ship structures |
| CN102357720B (en) * | 2011-09-26 | 2013-08-28 | 中船桂江造船有限公司 | Welding method of dissimilar steels such as 917 low-magnetic steel and CCSB steel |
| CN103990894A (en) * | 2014-05-29 | 2014-08-20 | 南通中远重工有限公司 | One-side-welding and two-side-forming welding technology for pipe |
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