CN102303196A - Welding wire material for austenitic stainless steel - Google Patents
Welding wire material for austenitic stainless steel Download PDFInfo
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- CN102303196A CN102303196A CN201110249534A CN201110249534A CN102303196A CN 102303196 A CN102303196 A CN 102303196A CN 201110249534 A CN201110249534 A CN 201110249534A CN 201110249534 A CN201110249534 A CN 201110249534A CN 102303196 A CN102303196 A CN 102303196A
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- Prior art keywords
- stainless steel
- percent
- wire material
- austenitic stainless
- welding
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- 239000000463 material Substances 0.000 title claims abstract description 43
- 229910000963 austenitic stainless steel Inorganic materials 0.000 title claims abstract description 26
- 238000003466 welding Methods 0.000 title abstract description 42
- 239000000126 substance Substances 0.000 claims abstract description 16
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 10
- 229910000679 solder Inorganic materials 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 abstract description 39
- 239000002184 metal Substances 0.000 abstract description 39
- 230000008021 deposition Effects 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 229910052804 chromium Inorganic materials 0.000 abstract description 5
- 229910052748 manganese Inorganic materials 0.000 abstract description 3
- 229910052759 nickel Inorganic materials 0.000 abstract description 3
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 239000010953 base metal Substances 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 14
- 239000011651 chromium Substances 0.000 description 12
- 239000010949 copper Substances 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 239000011572 manganese Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 208000037656 Respiratory Sounds Diseases 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
The invention provides a welding wire material for austenitic stainless steel. The welding wire material comprises the following chemical ingredients in percentage by weight: 0.011 to 0.078 percent of C, 0.15 to 0.32 percent of Si, 1.57 to 2.39 percent of Mn, less than or equal to 0.023 percent of P, less than or equal to 0.013 percent of S, 25.59 to 25.82 percent of Cr, 8.17 to 8.87 percent of Ni, less than or equal to 0.43 percent of Mo, less than or equal to 0.058 percent of N, 0.09 to 0.39 percent of Cu, 0.03 to 0.042 percent of rare-earth element Re and the balance of Fe and inevitable impurities. Aiming at the austenitic stainless steel containing the rare-earth element and the austenitic stainless steel and ordinary steel, the invention provides the welding wire material for the austenitic stainless steel, which is scientific in design, convenient to use and high in deposition rate, the sensitivity of metal cold cracks at weld joints after welding is low, and the performance of metal at the weld joints is close to that of base metal.
Description
Technical field
The present invention relates to a kind of Metal Material Welding solder wire material, relate in particular between a kind of austenitic stainless steel that contains rare element and austenitic stainless steel welds the solder wire material of usefulness between general steel.
Background technology
Stainless steel is that chromium is added a kind of steel alloy that significantly improves corrosion resistance with steel, can roughly be divided into chromium system and chromium-nickel system according to its composition, and can be divided into martensite, ferrite, austenite, austenite-iron element and precipitation-hardening according to metal structure is 5 kinds.
Austenitic stainless steel sees it is to belong to chromium-nickel system from forming negative side, and improves the various steel of exploitation thus.Contain between the austenitic stainless steel of rare earth element and austenitic stainless steel between general steel in the welding process; For the metallic gold timber that obtains weld seam belongs to the result that intensity and strength of parent are complementary; 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 the tradition 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, the sea is difficult to reach the solder wire material of this instructions for use in the welding material of prior art.
Summary of the invention
The objective of the invention is to containing between the austenitic stainless steel of rare earth element and austenitic stainless steel proposes a kind of design science and easy to use between general steel; Commissure metal cold crack sensitiveness is little after welding; The commissure metal is close with the mother metal results of property, and has a kind of solder wire material for austenitic stainless steel of high deposition rate.
The present invention realizes through following technical scheme: a kind of solder wire material for austenitic stainless steel, and the concrete chemical composition of said solder wire material % by weight is: C 0.011-0-078; Si 0.15-0.32; Mn1.57-2.39; P≤0.023; S≤0.013; Cr25.59-25.82; Ni 8.17-8.87; Mo≤0.43; N≤0.058; Cu 0.09-0.39; Surplus is Fe and unavoidable impurities.
Further improvement of the present invention is: it also comprises rare earth element Re, and its weight % is: Re 0.03-0.042.
The reason of said technical scheme is when considering carbon content, can adopt the mode through adjusting other alloying element contents to improve deposition rate,, and can reduce the sensitiveness that weld metal produces cold crack.This solder wire material design except to containing between the austenitic stainless steel of rare element the welding, also between general steel, weld to austenitic stainless steel.
Therefore technical scheme proposed by the invention qualification to carbon content in a kind of solder wire material for austenitic stainless steel of the present invention is to consider that carbon is very effectively to harden and the solution strengthening constituent element; Carbon is when playing reinforcement simultaneously; Also usually as the appearance of formation of crack; Therefore take the carbon content in the material composition is limited in below 0.078%, 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, it can improve the yield strength of matrix, but the ductile-brittle transition temperature of material is improved.Nickel element 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 element is the essential element of solution strengthening, and it 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 adjustment weld seam 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.
Adopt the stainless steel welding that the present invention designed to compare with the prior art solder wire material with the ultra-low carbon austenitic solder wire material; Has composition design science; Easy to use; Commissure, welding back metal cold crack sensitiveness is little; 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 size, form and the distribution effect 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 the diffusible hydrogen content in the deposited metal; Stomata sensitivity and other weld defects relevant have been reduced with hydrogen; There is the high-strength solder wire material of solder wire material of the present invention and tradition to compare again; Because solder wire material composition of the present invention is reasonable in design; The weld metal hardenability is significantly reduced, can further reduce low crackle during to weld high strength steel, improve deposition rate.
The specific embodiment
In order to deepen to understanding of the present invention, will combine embodiment that the present invention is made further detailed description below, following examples only are used to explain the present invention, do not constitute the qualification to protection domain of the present invention.
The concrete chemical composition of said solder wire material % by weight is: C 0.011-0-078; Si 0.15-0.32; Mn 1.57-2.39; P≤0.023; S≤0.013; Cr25.59-25.82; Ni 8.17-8.87; Mo≤0.43; N≤0.058; Cu 0.09-0.39; Surplus is Fe and unavoidable impurities; It also comprises rare earth element Re, and its weight % is: Re 0.03-0.042.
Embodiment 1
A kind of austenitic stainless steel welding material, the concrete chemical composition of this solder wire material % by weight is: C 0.011; Si0.15; Mn 1.57; P 0.013; S 0.009; Cr 25.59; Ni 8.17; Mo 0.13; N 0.014; Cu 0.09; Re 0.03; Surplus is Fe and unavoidable impurities.
This welding wire (specification: soldering stainless steel plate when Φ 1.6mm) using in certain unit, its mother metal chemical composition test result is: C 0.021; Si 0.35; Mn 1.85; P 0.010; S 0.009; Cr 23.69; Ni7.53; Mo 0.10; N 0.027; Cu 0.19; Adopt the groove multi-pass welding, welding current 180A, protective gas are CO2 (purity >=99.98%), and gas flow is 22 liters/minute, and wire feed rate is 1.8 meters/minute.
Testing result:
(1) welding procedure quality: during welding, feel is light, and it is few to splash, and moulding is attractive in appearance.Welding is cooled to room temperature butt welded seam metal and carries out the X ray detection, and grade is the I level, and the reality fusion is complete, pore-free, slag inclusion, crackle.
(2) deposited metal detects: deposited metal is carried out sampling and testing, and its result is:
Detect conclusion:
Judge according to above test data, this material good welding performance, commissure, welding back metal cold crack sensitiveness is little, and the commissure metal is close with the mother metal results of property, has higher deposition rate.
Embodiment 2
A kind of austenitic stainless steel welding material, the concrete chemical composition of this solder wire material % by weight is: C 0.058; Si 0.25; Mn 2.09; P 0.020; S 0.011; Cr 25.79; Ni 8.47; Mo 0.23; N 0.034; Cu 0.21; Re 0.036; Surplus is Fe and unavoidable impurities.
This welding wire (specification: soldering stainless steel plate when Φ 1.6mm) using in certain unit, its mother metal chemical composition test result is: C 0.021; Si 0.35; Mn 1.85; P 0.010; S 0.009; Cr 23.69; Ni7.53; Mo 0.10; N 0.027; Cu 0.19; Adopt the groove multi-pass welding, welding current 180A, protective gas are CO2 (purity >=99.98%), and gas flow is 22 liters/minute, and wire feed rate is 1.8 meters/minute.
Testing result:
(3) welding procedure quality: during welding, feel is light, and it is few to splash, and moulding is attractive in appearance.Welding is cooled to room temperature butt welded seam metal and carries out the X ray detection, and grade is the I level, and the reality fusion is complete, pore-free, slag inclusion, crackle.
(4) deposited metal detects: deposited metal is carried out sampling and testing, and its result is:
Detect conclusion:
Judge according to above test data, this material good welding performance, commissure, welding back metal cold crack sensitiveness is little, and the commissure metal is close with the mother metal results of property, has higher deposition rate.
Embodiment 3
A kind of austenitic stainless steel welding material, the concrete chemical composition of this solder wire material % by weight is: C 0.078; Si0.32; Mn2.39; P 0.023; S 0.013; Cr 25.82; Ni 8.87; Mo 0.43; N 0.058; Cu 0.39; Re 0.042; Surplus is Fe and unavoidable impurities.
This welding wire (specification: soldering stainless steel plate when Φ 1.6mm) using in certain unit, its mother metal chemical composition test result is: C 0.021; Si 0.35; Mn 1.85; P 0.010; S 0.009; Cr 23.69; Ni7.53; Mo 0.10; N 0.027; Cu 0.19; Adopt the groove multi-pass welding, welding current 180A, protective gas are CO2 (purity >=99.98%), and gas flow is 22 liters/minute, and wire feed rate is 1.8 meters/minute.
Testing result:
(5) welding procedure quality: during welding, feel is light, and it is few to splash, and moulding is attractive in appearance.Welding is cooled to room temperature butt welded seam metal and carries out the X ray detection, and grade is the I level, and the reality fusion is complete, pore-free, slag inclusion, crackle.
(6) deposited metal detects: deposited metal is carried out sampling and testing, and its result is:
Detect conclusion:
Judge according to above test data, this material good welding performance, commissure, welding back metal cold crack sensitiveness is little, and the commissure metal is close with the mother metal results of property, has higher deposition rate.
Claims (5)
1. solder wire material for austenitic stainless steel, it is characterized in that: the concrete chemical composition of this solder wire material % by weight is: C 0.011-0-078; Si 0.15-0.32; Mn 1.57-2.39; P≤0.023; S≤0.013; Cr25.59-25.82; Ni 8.17-8.87; Mo≤0.43; N≤0.058; Cu 0.09-0.39; Surplus is Fe and unavoidable impurities.
2. according to the said a kind of solder wire material for austenitic stainless steel of right claim 1, it is characterized in that: it also comprises rare earth element Re, and its weight % is: Re 0.03-0.042.
3. according to right claim 1 or 2 said a kind of solder wire material for austenitic stainless steel, it is characterized in that: the concrete chemical composition of this solder wire material % by weight is: C 0.011; Si0.15; Mn 1.57; P 0.013; S 0.009; Cr 25.59; Ni 8.17; Mo 0.13; N 0.014; Cu 0.09; Re 0.03; Surplus is Fe and unavoidable impurities.
4. according to right claim 1 or 2 said a kind of solder wire material for austenitic stainless steel, it is characterized in that: the concrete chemical composition of this solder wire material % by weight is: C 0.058; Si 0.25; Mn 2.09; P 0.020; S 0.011; Cr 25.79; Ni 8.47; Mo 0.23; N 0.034; Cu 0.21; Re 0.036; Surplus is Fe and unavoidable impurities.
5. according to right claim 1 or 2 said a kind of solder wire material for austenitic stainless steel, it is characterized in that: the concrete chemical composition of this solder wire material % by weight is: C 0.078; Si0.32; Mn2.39; P 0.023; S 0.013; Cr 25.82; Ni 8.87; Mo 0.43; N 0.058; Cu 0.39; Re 0.042; Surplus is Fe and unavoidable impurities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110249534A CN102303196A (en) | 2011-08-29 | 2011-08-29 | Welding wire material for austenitic stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110249534A CN102303196A (en) | 2011-08-29 | 2011-08-29 | Welding wire material for austenitic stainless steel |
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| Publication Number | Publication Date |
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| CN102303196A true CN102303196A (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201110249534A Pending CN102303196A (en) | 2011-08-29 | 2011-08-29 | Welding wire material for austenitic stainless steel |
Country Status (1)
| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104493374A (en) * | 2014-11-19 | 2015-04-08 | 钢铁研究总院 | Austenitic stainless steel welding wire and welding technology thereof |
| CN113146095A (en) * | 2021-03-01 | 2021-07-23 | 哈尔滨威尔焊接有限责任公司 | Special welding material for austenite high-alloy steel and application |
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| JPS5961590A (en) * | 1982-09-29 | 1984-04-07 | Daido Steel Co Ltd | Welding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104493374A (en) * | 2014-11-19 | 2015-04-08 | 钢铁研究总院 | Austenitic stainless steel welding wire and welding technology thereof |
| CN113146095A (en) * | 2021-03-01 | 2021-07-23 | 哈尔滨威尔焊接有限责任公司 | Special welding material for austenite high-alloy steel and application |
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Application publication date: 20120104 |