CN101412144B - Welding procedure of 0Cr11Ni2MoNbV thick plate material buried arc welding automatic arc welding - Google Patents
Welding procedure of 0Cr11Ni2MoNbV thick plate material buried arc welding automatic arc welding Download PDFInfo
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- CN101412144B CN101412144B CN2007101575152A CN200710157515A CN101412144B CN 101412144 B CN101412144 B CN 101412144B CN 2007101575152 A CN2007101575152 A CN 2007101575152A CN 200710157515 A CN200710157515 A CN 200710157515A CN 101412144 B CN101412144 B CN 101412144B
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Abstract
The invention provides a process for welding a 0Cr11Ni2MoNbV plank material by union melt welding. The process comprises the following steps: union melt welding is a butt joint; a sample is a plank piece, and is provided with a divided edge; stainless steel welding fluid and welding wire are selected; a layer of welding fluid is lined on the back of a welding piece; the welding piece is fixed by a briquette, and is added with an end tab and an arc-receive tab; 4 layers are welded on the front side of the welding piece; slug shells among layers are removed; welding seams are ground by a grinding wheel to expose metal luster of the welding seam; welding directions of the layers are opposite; the back of the sample is subject to back chipping by arc gouging, and then is ground by the grinding wheel to remove an oxide coating; two layers are welded; and a union-melt weld sample is in a supplying state before welding, and is subject to quenching at 1050 DEG C and drawing temper at 570 DEG C after welding. The invention has the advantages of good appearance and inside quality of a welding joint, excellent mechanical performance of the joint at room temperature and high temperature, goodprotecting effect, high quality of the joint, simple and convenient operation, wide application range and the like.
Description
Technical field
The present invention relates to the material welding field, provide the submerged-arc welding of a kind of 0Cr11Ni2MoNbV slab material to weld welding procedure automatically especially.
Background technology
0Cr11Ni2MoNbV is China's new new material of development in recent years, and it is a kind of martensitic stain less steel with intensity and plasticity combination property, is used to make the members such as casing, axle, blade of certain heavy combustion engine.Need a large amount of welding processing in the member manufacture process.The present not technical data of this alloy welding aspect does not have to its solder technology aspect not for information about yet.
Summary of the invention
The purpose of this invention is to provide the submerged-arc welding of a kind of 0Cr11Ni2MoNbV slab material and welded welding procedure automatically.
0Cr11Ni2MoNbV material composition and ratio are: carbon 0.05-0.09%, chromium 10.5-12.0%, nickel 1.4-1.8%, molybdenum 0.35-0.50%, vanadium 0.15-0.25%, niobium 0.05-0.15%, copper≤0.3%, silicon≤0.6%, manganese≤0.6%, phosphorus≤0.3%, sulphur≤0.02%, surplus is an iron.
The invention provides the submerged-arc welding of a kind of 0Cr11Ni2MoNbV slab material and weld welding procedure automatically, it is characterized in that: the submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded welding procedure automatically and is specially: Lincoln weld is banjo fixing butt jointing, test specimen is a slab spare, bevel, select HJ260 stainless steel solder flux for use, the H0Cr20Ni10Ti welding wire of Φ 3.0～5.0, the welding fit-up gap is 0.1～1.0mm, the weldment back side is lined with the thick solder flux of one deck 4～6mm, for reducing or preventing that weldment from producing angular deformation, with the fixing weldment of briquetting, and be added with run-on tab and receive arc plate, welding current 560～600A, arc voltage 30～32V, dry extension of electrode degree 15～25mm, 4 layers of positive welding, interlayer is removed skull, make it expose metallic luster with the grinder buffing weld seam, prevent slag inclusion, each layer welding direction is opposite, owing to reserved bigger root face, avoided the weldment back side to burn, test specimen back side air-arc cutting back chipping is used grinder buffing, scale removal then, welded two-layerly, finished test.Before the weldering of submerged-arc welding test specimen is supply status, and postwelding has carried out 1050 ℃ of quenchings and added 570 ℃ of temper, reaches the purpose that eliminates stress and improve performance.
Welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically, and to be suitable for material thickness be 20～50mm.
The groove type that welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically is 30 ° ± 5 ° V-butts of single face, the width of root face 5～10mm.
The submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded automatically and welded speed in the welding procedure is 20 ~ 38cm/min.
The electric power polarity that welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically is the DC reversal connection.
The submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded the welding procedure welding number of plies automatically for 2 layers at positive 4 layers of back side, amounts to 6 layers.
Be to guarantee the needs of heavy combustion engine development, with the Lincoln weld method this alloy welded for the material of slab.Welding method and welding condition have been determined.
Advantage of the present invention:
Process of the present invention makes the outward appearance of welding point and internal soundness fine, and room temperature, the high-temperature mechanical property of joint are good, and it is effective to have a protection, joint quality height, advantage such as easy and simple to handle, applied widely.Gas turbine is widely used in the outlying district and the big enterprises and institutions of power consumption of supply of electric power shortage, for it provides secondary electrical supply equipment, bring very big facility for production and life, the present invention has broad application prospects, and the research has profound significance to production, application and the development of heavy combustion engine.
The specific embodiment
Embodiment 1
Present embodiment provides the submerged-arc welding of a kind of 0Cr11Ni2MoNbV slab material to weld welding procedure automatically, it is characterized in that: the submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded welding procedure automatically and is specially: Lincoln weld is banjo fixing butt jointing, test specimen is a slab spare, bevel, select HJ260 stainless steel solder flux for use, the H0Cr20Ni10Ti welding wire of Φ 4.0, the welding fit-up gap is 1.0mm, the weldment back side is lined with the solder flux behind one deck 5mm, for reducing or preventing that weldment from producing angular deformation, with the fixing weldment of briquetting, and be added with run-on tab and receive arc plate, welding current 580A, arc voltage 32V, dry extension of electrode degree 20mm, 4 layers of positive welding, interlayer is removed skull, make it expose metallic luster with the grinder buffing weld seam, prevent slag inclusion, each layer welding direction is opposite, owing to reserved bigger root face, avoided the weldment back side to burn, test specimen back side air-arc cutting back chipping is used grinder buffing, scale removal then, welded two-layerly, finished test.Before the weldering of submerged-arc welding test specimen is supply status, and postwelding has carried out 1050 ℃ of quenchings and added 570 ℃ of temper, reaches the purpose that eliminates stress and improve performance.
Welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically, and to be suitable for material thickness be 30mm.
The groove type that welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically is 30 ° of V-butts of single face, width of root face 7mm.
The fast 20cm/min of being of weldering in the welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically.
The electric power polarity that welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically is the DC reversal connection.
The submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded the welding procedure welding number of plies automatically for 2 layers at positive 4 layers of back side, amounts to 6 layers.
Embodiment 2
Present embodiment provides the submerged-arc welding of a kind of 0Cr11Ni2MoNbV slab material to weld welding procedure automatically, it is characterized in that: the submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded welding procedure automatically and is specially: Lincoln weld is banjo fixing butt jointing, test specimen is a slab spare, bevel, select HJ260 stainless steel solder flux for use, the H0Cr20Ni10Ti welding wire of Φ 3.0, the welding fit-up gap is 0.1mm, the weldment back side is lined with the thick solder flux of one deck 4mm, for reducing or preventing that weldment from producing angular deformation, with the fixing weldment of briquetting, and be added with run-on tab and receive arc plate, welding current 560A, arc voltage 30V, dry extension of electrode degree 15mm, 4 layers of positive welding, interlayer is removed skull, make it expose metallic luster with the grinder buffing weld seam, prevent slag inclusion, each layer welding direction is opposite, owing to reserved bigger root face, avoided the weldment back side to burn, test specimen back side air-arc cutting back chipping is used grinder buffing, scale removal then, welded two-layerly, finished test.Before the weldering of submerged-arc welding test specimen is supply status, and postwelding has carried out 1050 ℃ of quenchings and added 570 ℃ of temper, reaches the purpose that eliminates stress and improve performance.
Welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically, and to be suitable for material thickness be 20mm.
The groove type that welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically is 35 ° of V-butts of single face, width of root face 5mm.
The fast 20cm/min of being of weldering in the welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically.
The electric power polarity that welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically is the DC reversal connection.
The submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded the welding procedure welding number of plies automatically for 2 layers at positive 4 layers of back side, amounts to 6 layers.
Embodiment 3
Present embodiment provides the submerged-arc welding of a kind of 0Cr11Ni2MoNbV slab material to weld welding procedure automatically, it is characterized in that: the submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded welding procedure automatically and is specially: Lincoln weld is banjo fixing butt jointing, test specimen is a slab spare, bevel, select HJ260 stainless steel solder flux for use, the H0Cr20Ni10Ti welding wire of Φ 5.0, the welding fit-up gap is 0.8mm, the weldment back side is lined with the thick solder flux of one deck 6mm, for reducing or preventing that weldment from producing angular deformation, with the fixing weldment of briquetting, and be added with run-on tab and receive arc plate, welding current 600A, arc voltage 32V, dry extension of electrode degree 25mm, 4 layers of positive welding, interlayer is removed skull, make it expose metallic luster with the grinder buffing weld seam, prevent slag inclusion, each layer welding direction is opposite, owing to reserved bigger root face, avoided the weldment back side to burn, test specimen back side air-arc cutting back chipping is used grinder buffing, scale removal then, welded two-layerly, finished test.Before the weldering of submerged-arc welding test specimen is supply status, and postwelding has carried out 1050 ℃ of quenchings and added 570 ℃ of temper, reaches the purpose that eliminates stress and improve performance.
Welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically, and to be suitable for material thickness be 50mm.
The groove type that welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically is 25 ° of V-butts of single face, width of root face 10mm.
The fast 38cm/min of being of weldering in the welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically.
The electric power polarity that welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically is the DC reversal connection.
The submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded the welding procedure welding number of plies automatically for 2 layers at positive 4 layers of back side, amounts to 6 layers.
Claims (5)
1. welding procedure is welded in 0Cr11Ni2MoNbV slab material submerged-arc welding automatically, it is characterized in that: the submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded welding procedure automatically and is specially: Lincoln weld is banjo fixing butt jointing, test specimen is a slab spare, bevel, select HJ260 stainless steel solder flux for use, the H0Cr20Ni10Ti welding wire of Φ 3.0～5.0, the welding fit-up gap is 0.1～1.0mm, the weldment back side is lined with the thick solder flux of one deck 4～6mm, for reducing or preventing that weldment from producing angular deformation, with the fixing weldment of briquetting, and be added with run-on tab and receive the arc plate, welding current 560～600A, arc voltage 30～32V, dry extension of electrode degree 15～25mm, 4 layers of positive welding, interlayer is removed skull, make it expose metallic luster with the grinder buffing weld seam, prevent slag inclusion, each layer welding direction is opposite, owing to reserved bigger root face, avoided the weldment back side to burn, test specimen back side air-arc cutting back chipping is used grinder buffing then, scale removal, having welded two-layerly, is supply status before the submerged-arc welding test specimen weldering, and postwelding has carried out 1050 ℃ of quenchings and added 570 ℃ of temper.
2. weld welding procedure automatically according to the submerged-arc welding of the described 0Cr11Ni2MoNbV slab of claim 1 material, it is characterized in that: welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically, and to be suitable for material thickness be 20～50mm.
3. weld welding procedure automatically according to the submerged-arc welding of the described 0Cr11Ni2MoNbV slab of claim 1 material, it is characterized in that: the groove type that welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically is 30 ° ± 5 ° V-butts of single face, the width of root face 5～10mm.
4. weld welding procedure automatically according to the submerged-arc welding of the described 0Cr11Ni2MoNbV slab of claim 1 material, it is characterized in that: the submerged-arc welding of described 0Cr11Ni2MoNbV slab material is welded automatically and welded speed in the welding procedure is 20 ~ 38cm/min.
5. weld welding procedure automatically according to claim described 1 described 0Cr11Ni2MoNbV slab material submerged-arc welding, it is characterized in that: the electric power polarity that welding procedure is welded in the submerged-arc welding of described 0Cr11Ni2MoNbV slab material automatically is the DC reversal connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101575152A CN101412144B (en) | 2007-10-17 | 2007-10-17 | Welding procedure of 0Cr11Ni2MoNbV thick plate material buried arc welding automatic arc welding |
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| CN2007101575152A CN101412144B (en) | 2007-10-17 | 2007-10-17 | Welding procedure of 0Cr11Ni2MoNbV thick plate material buried arc welding automatic arc welding |
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| CN101412144A CN101412144A (en) | 2009-04-22 |
| CN101412144B true CN101412144B (en) | 2011-06-01 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817113A (en) * | 2010-03-12 | 2010-09-01 | 安徽杭萧钢结构有限公司 | Suspended welding process of thick plate |
| CN101913012B (en) * | 2010-08-11 | 2012-08-29 | 南京宝色股份公司 | Two phase stainless steel submerged-arc welding SAW welding procedure |
| CN102121081B (en) * | 2010-12-29 | 2012-07-18 | 中国海洋石油总公司 | Method for manufacturing delivery steel pipe serving acid environment |
| CN102489844A (en) * | 2011-12-27 | 2012-06-13 | 上海锅炉厂有限公司 | Method for welding magnetized sheet low-temperature steel |
| CN102717246A (en) * | 2012-06-18 | 2012-10-10 | 太原钢铁(集团)有限公司 | Method for producing stainless steel and carbon steel composite board welding groove |
| CN110369834B (en) * | 2019-07-02 | 2021-10-08 | 杭州制氧机集团股份有限公司 | Welding method for aluminum alloy seal head |
| CN112719539B (en) * | 2020-11-17 | 2022-07-26 | 十四冶建设集团云南安装工程有限公司 | Welding process for 304 stainless steel submerged-arc welding |
| CN112548408B (en) * | 2020-11-26 | 2023-03-10 | 唐山松下产业机器有限公司 | Detection method and detection system for necking in welding process and welding machine |
| CN113579431A (en) * | 2021-08-30 | 2021-11-02 | 广船国际有限公司 | Medium plate monofilament submerged arc welding method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104150A (en) * | 1985-06-04 | 1987-01-14 | 机械工业部哈尔滨焊接研究所 | Double strings narrow chink slugging arc welding process |
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2007
- 2007-10-17 CN CN2007101575152A patent/CN101412144B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104150A (en) * | 1985-06-04 | 1987-01-14 | 机械工业部哈尔滨焊接研究所 | Double strings narrow chink slugging arc welding process |
Non-Patent Citations (1)
| Title |
|---|
| 陈祝年.焊接工程师手册.《焊接工程师手册》.机械工业出版社,2002,323-336. * |
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