CN101318272A - Solder wire material for austenitic stainless steel - Google Patents
Solder wire material for austenitic stainless steel Download PDFInfo
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- CN101318272A CN101318272A CNA2007100233425A CN200710023342A CN101318272A CN 101318272 A CN101318272 A CN 101318272A CN A2007100233425 A CNA2007100233425 A CN A2007100233425A CN 200710023342 A CN200710023342 A CN 200710023342A CN 101318272 A CN101318272 A CN 101318272A
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Abstract
The invention discloses a welding wire material for austenitic stainless steels and the weight percentage of the concrete chemical compositions of the welding wire material is as follows: C, less than or equal to 0.08; Si, less than or equal to 0.35; Mn,1.50 to 2.50; P, less than or equal to 0.03; S, less than or equal to 0.02; Cr, 25.5 to 26.5; Ni, 8 to 9; Mo, less than 0.5; N, less than 0.06; Cu, less than 0.5; the remaining is Fe and inevitable impurities. The welding wire material is used between austenitic stainless steels with rare earth elements and between austenitic stainless steels and common steels, and metals at welding seams are small in cold crack sensibility after the welding is performed, and besides the metals at the welding seams have the similar performance result as mother metal and a higher deposition rate.
Description
Technical field
The invention belongs to the material field of Metal Material Welding with welding wire.Relate in particular between the austenitic stainless steel that contains rare earth element and austenitic stainless steel and general steel between the welding wire material.
Background technology
Stainless steel is that chromium is made an addition to a kind of steel alloy that steel significantly improves corrosion resistance, can roughly be divided into chromium system and chromium one nickel system according to its composition, and can be divided into martensite, ferrite, austenite, austenite one ferrite and precipitation-hardening according to metal structure is 5 kinds.Austenitic stainless steel (to call " stainless steel " in the following text) is chromium one nickel system, and improves the various steel of developing thus from the composition aspect.Contain between the austenitic stainless steel of rare earth element and austenitic stainless steel and general steel between in the welding process, the result who is complementary for the metal strength that obtains weld seam and strength of parent, need to adopt the butt welded seam place to add necessary alloying element and carry out the composition compensation, purpose is that postwelding obtains metal and mother metal composition and the more approaching effect of performance in the commissure.But because after adopting traditional solder wire material welding, commissure metal cold crack sensitiveness can increase to some extent, deposition rate is low.When therefore adopting traditional welding wire to weld, be difficult to the result that acquisition weld metal and mother metal performance are complementary, in the welding material of prior art, also be difficult to reach the solder wire material of this instructions for use.
Summary of the invention
The objective of the invention is at proposing a kind of composition simplicity of design and easy to use between the austenitic stainless steel that contains rare earth element and between austenitic stainless steel and the general steel, commissure, welding back metal cold crack sensitiveness is little, the commissure metal is close with the mother metal results of property, and has the high deposition rate solder wire material for austenitic stainless steel.
The present invention is achieved by the following technical solution: solder wire material for austenitic stainless steel is characterized in that the concrete chemical component weight % of this solder wire material is: C≤0.08; Si≤0.35; Mn1.50-2.50; P≤0.03; S≤0.02; Cr25.5-26.5; Ni8-9; Mo＜0.5; N＜0.06; Cu＜0.5; Surplus is Fe and unavoidable impurities.
Described solder wire material for austenitic stainless steel also comprises rare earth element Re, and its weight % is: Re0.01-0.05.
According to purpose of the present invention, the reason of the solder wire material for austenitic stainless steel that we proposed is when considering carbon content, can adopt by adjusting the mode of other alloying element contents, improve deposition rate, but also can reduce the sensitiveness that weld metal produces cold crack.The design of this solder wire material, except be between the austenitic stainless steel that contains rare earth element the welding, also at welding between austenitic stainless steel and the general steel.Therefore proposed by the invention in solder wire material for austenitic stainless steel of the present invention, taking the qualification to carbon content is to consider that carbon is very effectively to harden and the solution strengthening constituent element, carbide is when playing invigoration effect simultaneously, also usually occur as formation of crack, therefore take the carbon content in the material composition is limited in below 0.08%, help reducing the cold crack sensitiveness of weld metal.In solder wire material of the present invention, manganese adds as hardening element, also plays the effect of deoxidation and desulfurization simultaneously.The adding of element silicon has deoxidation effect, and when silicon existed with the form of solid solution attitude, he can improve the yield strength of matrix, but the ductile-brittle transition temperature of material is improved.Nickel is one of important element that improves toughness of material, also is the essential element of stabilization of austenite, and adding nickel element has the effect that reduces ductile-brittle transition temperature.Molybdenum is the essential element of solution strengthening, and he combines with other elements and forms carbide easily.Copper has solution strengthening, reduces the effect of ductile-brittle transition temperature.Chromium is to the weld seam transition alloy elements, has the weld seam of adjustment composition, improves the corrosion resistance of weld seam.Sulphur and phosphorus are objectionable impurities, and content should be controlled.Nitrogen can improve stainless resisting corrosion of chlorine ion performance, but because solubility is subjected to the influence of Cr and Mn, so content should be controlled.Its surplus is iron and other unavoidable impurities.The preparation of solder wire material of the present invention is identical with prior art for preparing technology.At first prepare burden and make steel by the designed composition of the present invention, ingot casting after vacuum drying oven is smelted, it is that 1050 ℃, final forging temperature are 850 ℃ that the opening of forged steel forged temperature, surplus the steel rolling ten after the passage again through 900-1000 ℃ annealing in process, will rolling the back wire rod, can to get diameter (requiring according to the designer) again after (drawing-annealing-drawing ...) drawing of multi-pass be the welding wire of 1.2mm or 1.6mm.
Adopt the designed solder wire material for austenitic stainless steel of the present invention to compare with the prior art solder wire material, it is reasonable, easy to use to have the composition simplicity of design, commissure, welding back metal cold crack sensitiveness is little, and the commissure metal is close with the mother metal results of property, and has the characteristics of high deposition rate.Owing to added the proper amount of rare-earth element in the present invention, and weld seam middle rare earth dvielement and sulphur have very big affinity, have tangible desulfurization, improve the effect of size, form and the distribution of sulphide inculsion, so positive effect is arranged to improving welding seam toughness.In solder wire material of the present invention, add an amount of rare earth element in addition and can also reduce diffusible hydrogen content in the deposited metal, reduced stomata sensitivity and other weld defects relevant with hydrogen.There is solder wire material of the present invention to compare again,, the weld metal hardenability significantly reduced, can further reduce crackle during to welding, improve deposition rate because solder wire material composition of the present invention is reasonable in design with traditional solder wire material.
The specific embodiment
Solder wire material for austenitic stainless steel of the present invention all adopts vacuum drying oven to smelt, and just forging temperature and be 1020 ℃ and final forging temperature is 950 ℃, carries out annealing in process in 950 ℃ then after 12 passages are rolled, and carries out drawing again and makes welding wire reach the setting size.
Embodiment 1: solder wire material for austenitic stainless steel, and the concrete chemical component weight % of this solder wire material is: C0.01; Si0.15; Mn1.50; P0.01; S0.005; Cr25.5; Ni8; Mo0.1; N0.01; Cu0.1; Re0.01; Surplus is Fe and unavoidable impurities.
Embodiment 2: solder wire material for austenitic stainless steel, and the concrete chemical component weight % of this solder wire material is: C0.02; Si0.2; Mn1.80; P0.015; S0.01; Cr25.8; Ni8.2; Mo0.2; N0.02; Cu0.2; Re0.02; Surplus is Fe and unavoidable impurities.
Embodiment 3: solder wire material for austenitic stainless steel, and the concrete chemical component weight % of this solder wire material is: C0.04; Si0.25; Mn2.0; P0.02; S0.01; Cr26.0; Ni8.5; Mo0.3; N0.03; Cu0.3; Re0.03; Surplus is Fe and unavoidable impurities.
Embodiment 4: solder wire material for austenitic stainless steel, and the concrete chemical component weight % of this solder wire material is: C0.06; Si0.30; Mn2.2; P0.025; S0.015; Cr26.2; Ni8.8; Mo0.4; N0.045; Cu0.4; Re0.04; Surplus is Fe and unavoidable impurities.
Embodiment 5: solder wire material for austenitic stainless steel, and the concrete chemical component weight % of this solder wire material is: C0.08; Si0.35; Mn2.50; P0.03; S0.02; Cr26.5; Ni9; Mo0.49; N0.058; Cu0.49; Re0.05; Surplus is Fe and unavoidable impurities.
Adopt embodiment of the invention welding wire all can obtain very high deposition rate, the little characteristics of welding back commissure metal cold crack sensitiveness.Through evidence, solder wire material for austenitic stainless steel of the present invention has welding back deposition rate height, the smooth welded seam flawless, and also processing performance is good.Especially between the suitable austenitic stainless steel that contains rare earth element and the welding between austenitic stainless steel and the general steel.
Claims (2)
1, solder wire material for austenitic stainless steel is characterized in that the concrete chemical component weight % of this solder wire material is: C≤0.08; Si≤0.35; Mn 1.50-2.50; P≤0.03; S≤0.02; Cr 25.5-26.5; Ni 8-9; Mo＜0.5; N＜0.06; Cu＜0.5; Surplus is Fe and unavoidable impurities.
2, solder wire material for austenitic stainless steel according to claim 1 is characterized in that: it also comprises rare earth element Re, and its weight % is: Re 0.01-0.05.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100233425A CN101318272A (en) | 2007-06-08 | 2007-06-08 | Solder wire material for austenitic stainless steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100233425A CN101318272A (en) | 2007-06-08 | 2007-06-08 | Solder wire material for austenitic stainless steel |
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| CN101318272A true CN101318272A (en) | 2008-12-10 |
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| CNA2007100233425A Pending CN101318272A (en) | 2007-06-08 | 2007-06-08 | Solder wire material for austenitic stainless steel |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019517A (en) * | 2010-12-10 | 2011-04-20 | 哈尔滨威尔焊接有限责任公司 | Novel stainless steel submerged-arc welding wire for improving tensile strength after heat treatment |
| CN102069318A (en) * | 2010-12-14 | 2011-05-25 | 江苏大学 | Cavitation-resistant stainless steel soldering wire and welding method thereof |
| CN102303196A (en) * | 2011-08-29 | 2012-01-04 | 江苏兴海特钢有限公司 | Welding wire material for austenitic stainless steel |
| CN102319965A (en) * | 2011-08-29 | 2012-01-18 | 江苏兴海特钢有限公司 | Ultralow-carbon austenitic welding wire material for welding of stainless steel |
| CN102626836A (en) * | 2012-05-02 | 2012-08-08 | 武汉科技大学 | High-toughness solid wire for 1000MPa-level engineering machinery steel |
| CN102632348A (en) * | 2012-05-03 | 2012-08-15 | 武汉科技大学 | Solid-cored welding wire capable of improving fatigue performance of high-strength steel welding joint of engineering machinery |
| CN102909490A (en) * | 2012-11-09 | 2013-02-06 | 高金菊 | Flux-cored wire for welding austenitic stainless steel |
| CN103042316A (en) * | 2012-12-21 | 2013-04-17 | 武汉市润之达石化设备有限公司 | Ultra-low temperature austenite stainless steel solid core welding wire |
| CN103648708A (en) * | 2011-07-06 | 2014-03-19 | 新日铁住金株式会社 | Austenite steel welded joint |
| CN103962740A (en) * | 2014-04-23 | 2014-08-06 | 哈尔滨飞机工业集团有限责任公司 | Cr13 steel crack welding method |
| CN105252170A (en) * | 2015-09-22 | 2016-01-20 | 机械科学研究院哈尔滨焊接研究所 | Stainless steel submerged-arc welding strip with improved room temperature tensile strength |
| CN106078001A (en) * | 2016-08-05 | 2016-11-09 | 天长市通联焊业有限公司 | A kind of Oil-gas Long-distance Transportation Pipeline welding wire with excellent toughness |
| CN111168275A (en) * | 2020-03-14 | 2020-05-19 | 昆山京群焊材科技有限公司 | Submerged arc welding wire for austenitic stainless steel |
-
2007
- 2007-06-08 CN CNA2007100233425A patent/CN101318272A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019517B (en) * | 2010-12-10 | 2012-11-21 | 哈尔滨威尔焊接有限责任公司 | Novel stainless steel submerged-arc welding wire for improving tensile strength after heat treatment |
| CN102019517A (en) * | 2010-12-10 | 2011-04-20 | 哈尔滨威尔焊接有限责任公司 | Novel stainless steel submerged-arc welding wire for improving tensile strength after heat treatment |
| CN102069318A (en) * | 2010-12-14 | 2011-05-25 | 江苏大学 | Cavitation-resistant stainless steel soldering wire and welding method thereof |
| CN103648708B (en) * | 2011-07-06 | 2016-03-09 | 新日铁住金株式会社 | Austenitic steel welding point |
| CN103648708A (en) * | 2011-07-06 | 2014-03-19 | 新日铁住金株式会社 | Austenite steel welded joint |
| CN102303196A (en) * | 2011-08-29 | 2012-01-04 | 江苏兴海特钢有限公司 | Welding wire material for austenitic stainless steel |
| CN102319965A (en) * | 2011-08-29 | 2012-01-18 | 江苏兴海特钢有限公司 | Ultralow-carbon austenitic welding wire material for welding of stainless steel |
| CN102626836A (en) * | 2012-05-02 | 2012-08-08 | 武汉科技大学 | High-toughness solid wire for 1000MPa-level engineering machinery steel |
| CN102632348A (en) * | 2012-05-03 | 2012-08-15 | 武汉科技大学 | Solid-cored welding wire capable of improving fatigue performance of high-strength steel welding joint of engineering machinery |
| CN102632348B (en) * | 2012-05-03 | 2014-02-26 | 武汉科技大学 | Solid-cored welding wire capable of improving fatigue performance of high-strength steel welding joint of engineering machinery |
| CN102909490A (en) * | 2012-11-09 | 2013-02-06 | 高金菊 | Flux-cored wire for welding austenitic stainless steel |
| CN103042316A (en) * | 2012-12-21 | 2013-04-17 | 武汉市润之达石化设备有限公司 | Ultra-low temperature austenite stainless steel solid core welding wire |
| CN103962740A (en) * | 2014-04-23 | 2014-08-06 | 哈尔滨飞机工业集团有限责任公司 | Cr13 steel crack welding method |
| CN105252170A (en) * | 2015-09-22 | 2016-01-20 | 机械科学研究院哈尔滨焊接研究所 | Stainless steel submerged-arc welding strip with improved room temperature tensile strength |
| CN106078001A (en) * | 2016-08-05 | 2016-11-09 | 天长市通联焊业有限公司 | A kind of Oil-gas Long-distance Transportation Pipeline welding wire with excellent toughness |
| CN111168275A (en) * | 2020-03-14 | 2020-05-19 | 昆山京群焊材科技有限公司 | Submerged arc welding wire for austenitic stainless steel |
| CN111168275B (en) * | 2020-03-14 | 2022-03-18 | 昆山京群焊材科技有限公司 | Submerged arc welding wire for austenitic stainless steel |
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Open date: 20081210 |