CN1234314A - Tungsten-pole argon arc-welding metal-powder-core weld wire for aged martensite steel and production method thereof - Google Patents
Tungsten-pole argon arc-welding metal-powder-core weld wire for aged martensite steel and production method thereof Download PDFInfo
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- CN1234314A CN1234314A CN 99100396 CN99100396A CN1234314A CN 1234314 A CN1234314 A CN 1234314A CN 99100396 CN99100396 CN 99100396 CN 99100396 A CN99100396 A CN 99100396A CN 1234314 A CN1234314 A CN 1234314A
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- 238000003466 welding Methods 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 229910000734 martensite Inorganic materials 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims description 18
- 229910052786 argon Inorganic materials 0.000 title claims description 9
- 239000000843 powder Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 4
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 4
- 229910052711 selenium Inorganic materials 0.000 claims abstract description 4
- 229910052714 tellurium Inorganic materials 0.000 claims abstract description 4
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 2
- 238000000465 moulding Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 15
- 239000002184 metal Substances 0.000 abstract description 15
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 2
- NGONBPOYDYSZDR-UHFFFAOYSA-N [Ar].[W] Chemical compound [Ar].[W] NGONBPOYDYSZDR-UHFFFAOYSA-N 0.000 abstract 1
- 238000004506 ultrasonic cleaning Methods 0.000 abstract 1
- 229910000679 solder Inorganic materials 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000005303 weighing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Nonmetallic Welding Materials (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to a metal powder-core welding wire for aged martensitic steel tungsten argon arc welding and its manufacturing method. Said powder core comprises the following powder materials: (wt%) Ni 39-78%, Co 0-26%, Mo 0-18%, Ti 0.2-6%, Al 0.03-3.5%, Nb 0-2.65%, Re 0-2%, Te 0-1%, Se 0-1%, B 0.02-0.5%, Zr 0-0.5%, Ca 0.01-0.5% and the rest is Fe powder. The mfg. process of said welding wire adopts an ultrasonic cleaning method to remove greasy dirt from surface of steel tape. Said invented process is simple, low incost, and said welding wire is low in impurity content, possesses high strength, high fracture toughness, good weldability and machining property, and is suitable for surfacing welding of mould with high size accuracy and performance requirements or welding important parts in aerospace industry.
Description
A kind of tungsten-pole argon arc-welding metal-powder-core weld wire for aged martensite steel and manufacture method thereof belong to metal powder core solder wire manufacturing technology field.
Aged martensite steel is a kind of excellent performance, new steel grade with superhigh intensity, high-fracture toughness and well processed processing performance, be mainly used in and require specific strength height, good reliability, the accurate important component of size Control, manufacturing and reparation as some parts of aircraft, space rocket, guided missile etc. and high life mould, instrument, and aged martensite steel is because its alloying component complexity and content height, and require phosphorus content, impurity content extremely low, must adopt special smelting technique, strict control smelting process just can be made.The welding material that is used at present to weld aged martensite steel abroad has solid core welding wire and welding rod, the core wire of solid core welding wire and welding rod all is the aging martensitic steel wire material that adopts vacuum melting, consumable remelting technology to produce, its manufacturing process is very complicated, cost is very high, China does not also grasp the technology of producing this silk material, the whole dependence on import of the welding rod that solid core welding wire that the aged martensite steel argon tungsten-arc welding is used and manual electric arc welding are used at present.Another kind of technology related to the present invention is the metal powder core solder wire that is used for other steel grade welding and built-up welding, and it has the production efficiency height, the alloying component adjustment is easy and make advantages such as easy, existing both at home and abroad at present mild steel, the high-strength steel CO of being used for
2The metal powder core solder wire of gas shiled weldering and be used for the metal powder core solder wire of roll, disintegrating machine submerged-arc welding does not all have extra high requirement to the chemical composition and the mechanical property of the deposited metal of these metal powder core solder wires.In order to solve the manufacturing difficult problem of aged martensite steel solid core welding wire, the present invention adopts metal powder core solder wire to replace solid core welding wire, obtains the deposited metal of aging martensitic composition of steel through the metallurgical process of argon tungsten-arc welding.
The object of the present invention is to provide a kind of impurity content low, have the metal powder core solder wire and the manufacture method thereof of high strength, high-fracture toughness and the aged martensite steel argon tungsten-arc welding of welding performance and processing characteristics preferably.
Feature of the present invention is that the weight proportion of each powder in the metal-powder-core is: Ni:39～78%, Co:0～26%, Mo:0～18%, Ti:0.2～6%, Al:0.03～3.5%, Nb:0～2.65%, Re:0～2%, Te:0～1%, Se:0～1%, B:0.02～0.5%, Zr:0～0.5%, Ca:0.01～0.5%, all the other are the Fe powder, Re is a mishmetal, and it is 30～52% that the percentage by weight that the powder core accounts for welding wire promptly adds the powder coefficient.
In above-mentioned prescription, the Fe powder plays a part to regulate composition, and impurity element C, Mn, Si, P, S are contained in steel band and the various powder.This welding wire powder core prescription alloying element accounts for 20～35% of welding wire gross mass.
This welding wire deposited metal composition (weight %) is: Ni:16～28%, Co:6～10%, Mo:2.5～5.5%, Ti:0.1～1.8%, Al:0～1%, Nb :≤0.8%, Re :≤0.05%, Te :≤0.05%, Se :≤0.05%, .B :≤0.03%, Zr :≤0.05%, Ca :≤0.1%, C :≤0.04%, Mn :≤0.5%, Si :≤0.5%, P :≤0.02%, S :≤0.02%.
The deposited metal of this welding wire has excellent especially performance, has higher fracture toughness in superhigh intensity.σ
bBe 1400～2100MPa, δ
5Be 8～14%, and fabulous welding performance and processing characteristics are arranged, welding crack sensibility is very low, and postwelding hardness HRC is 30～35, is easy to machining, can not be out of shape behind low temperature aging, can obtain HRC and be 50～55 high rigidity.
On manufacturing process,, adopt ultrasonic wave to clean greasy dirt, corrosion and the moisture of removing steel strip surface in order to guarantee to obtain highly purified deposited metal.This manufacturing process is fairly simple, is easy to control, and cost is low, and its price reduces more than 50% than the solid core welding wire that forms through special smelting.
Embodiment: 1. press prescription 1 weighing powder in the table 1, mix, clean greasy dirt, corrosion and the moisture of removing steel strip surface with ultrasonic wave, steel band is rolled into the U type, by powder adding device the powder for preparing is fallen in the U type groove equably, closure is made flux cored wire for the O type behind rolling tube reducing again.Its mechanical property test is as shown in table 1.2. press prescription 2 weighing powders in the table 1, other step is the same.Its mechanical property test is as shown in table 1.3. press prescription 3 weighing powders in the table 1, other step is the same.Its mechanical property test is as shown in table 1.4. press prescription 4 weighing powders in the table 1, other step is the same.Its mechanical property test is as shown in table 1.5. press prescription 5 weighing powders in the table 1, other step is the same.Its mechanical property test is as shown in table 1.6. press prescription 6 weighing powders in the table 1, other step is the same.Its mechanical property test is as shown in table 1.
In sum, the chemical composition of its deposited metal of metal powder core solder wire of the present invention, mechanical property all can satisfy the requirement of aged martensite steel argon tungsten-arc welding welding and built-up welding, are particularly suitable for the welding of the important spare part of all exigent mould built-up welding of dimensional accuracy and performance or other Aeronautics and Astronautics.
Table 1
| Prescription | Each powder content (%) in the welding wire powder core | Add powder coefficient (%) | Mechanical property test | |||||||||||||||
| ???Ni | ?Co | ???Mo | ???Ti | ????Al | ???Nb | ??Re | ??Te | ??Se | ????B | ??Zr | ??Ca | ???Fe | ???σ b???(MPa) | ????δ 5????(％) | HRC (postwelding) | HRC (after the timeliness) | ||
| ????1 | ???39 | ?20 | ????5 | ???0.2 | ???1.5 | ???0.2 | ??0.44 | ??0.1 | ??0.1 | ???0.03 | ??0.02 | ??0.1 | ??33.31 | ???48 | ????1800 | ????9 | ????34 | ????54 |
| ????2 | ???56 | ?19 | ????17.2 | ???0.35 | ???1.68 | ???0.4 | ??0 | ??0.1 | ??0.1 | ???0.02 | ??0.01 | ??0.05 | ??5.09 | ???32 | ????1750 | ????14 | ????32 | ????52 |
| ????3 | ???62.5 | ?0 | ????0 | ???5 | ???1 | ???1.45 | ??0 | ??0 | ??0 | ???0.02 | ??0.01 | ??0.02 | ??30 | ???32 | ????1820 | ????11 | ????34 | ????54 |
| ????4 | ???40 | ?0 | ????0 | ???3.6 | ???1.1 | ???1 | ??0.32 | ??0.15 | ??0.25 | ???0.03 | ??0.02 | ??0.03 | ??53.5 | ???50 | ????1920 | ????12 | ????32 | ????52 |
| ????5 | ???78 | ?0 | ????0 | ???5 | ???1 | ???1.455 | ??0 | ??0 | ??0 | ???0.025 | ??0.01 | ??0.01 | ??14.5 | ???32 | ????1950 | ????12 | ????34 | ????54 |
| ????6 | ???50 | ?0 | ????0 | ???3.5 | ???0.7 | ???1 | ??0.72 | ??0.1 | ??0.1 | ???0.04 | ??0.02 | ??0.02 | ??43.8 | ???50 | ????2000 | ????13 | ????32 | ????52 |
Claims (2)
1. tungsten-pole argon arc-welding metal-powder-core weld wire for aged martensite steel, it is characterized in that: the weight proportion of each powder is in the metal-powder-core: Ni:39～78%, Co:0～26%, Mo:0～18%, Ti:0.2～6%, Al:0.03～3.5%, Nb:0～2.65%, Re:0～2%, Te:0～1%, Se:0～1%, B:0.02～0.5%, Zr:0～0.5%, Ca:0.01～0.5%, all the other are the Fe powder, and Re is a mishmetal, and the percentage by weight that the powder core accounts for welding wire is 30～52%.
2. the manufacture method of a tungsten-pole argon arc-welding metal-powder-core weld wire for aged martensite steel, comprise that powder preparation, steel band preparation, welding wire moulding, hot candied tube reducing make welding wire, it is characterized in that: adopt ultrasonic wave to clean greasy dirt, corrosion and the moisture of removing steel strip surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99100396A CN1093450C (en) | 1999-01-28 | 1999-01-28 | Tungsten-pole argon arc-welding metal-powder-core weld wire for aged martensite steel and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99100396A CN1093450C (en) | 1999-01-28 | 1999-01-28 | Tungsten-pole argon arc-welding metal-powder-core weld wire for aged martensite steel and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1234314A true CN1234314A (en) | 1999-11-10 |
| CN1093450C CN1093450C (en) | 2002-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99100396A Expired - Fee Related CN1093450C (en) | 1999-01-28 | 1999-01-28 | Tungsten-pole argon arc-welding metal-powder-core weld wire for aged martensite steel and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1093450C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095414C (en) * | 2000-09-08 | 2002-12-04 | 北京工业大学 | Aged hardened toolsteel tungsten argon arc welding metal powder core surfacing welding rod |
| CN100429032C (en) * | 2006-12-18 | 2008-10-29 | 华北电力大学 | Powder core welding wire for in-situ synthesizing MoSiMoSi2 bead weld layer |
| CN102489859A (en) * | 2011-12-16 | 2012-06-13 | 长春三友汽车部件制造有限公司 | Method for improving mechanical property of advanced high-strength steel spot welding joint |
| CN102581510A (en) * | 2012-02-22 | 2012-07-18 | 金华市双环钎焊材料有限公司 | Silver solder for lead-free free-cutting copper alloy soldering |
| CN106077993A (en) * | 2012-11-22 | 2016-11-09 | Posco公司 | The welding point of pole low-temperature steel and for manufacturing the welding material of this welding point |
| CN107262966A (en) * | 2017-07-31 | 2017-10-20 | 西安理工大学 | 18Ni250 stainless steels gas shielded type flux-cored wire and preparation method thereof |
| CN107470794A (en) * | 2017-07-31 | 2017-12-15 | 西安理工大学 | 18Ni250 stainless steel metal flux-cored wires and preparation method thereof |
| CN108637523A (en) * | 2018-05-14 | 2018-10-12 | 北京智双科技发展有限公司 | A kind of 1900MPa grade super strengths steel alloy flux-cored wire used for welding |
| CN109719415A (en) * | 2017-10-30 | 2019-05-07 | 现代自动车株式会社 | Welding wire for high strength steel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU377223A1 (en) * | 1971-12-02 | 1973-04-17 | Всесоюзный научно исследовательский , проектный институт тугоплавких металлов , твердых сплавов | METHOD FOR PRODUCING POWDER WIRE |
| DE19604971A1 (en) * | 1996-02-02 | 1997-08-07 | Mannesmann Ag | Method and system for treating stainless steel strips |
| CN1042603C (en) * | 1996-07-15 | 1999-03-24 | 潘国嶍 | High hardness wear resisting welding wire with flux core |
-
1999
- 1999-01-28 CN CN99100396A patent/CN1093450C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095414C (en) * | 2000-09-08 | 2002-12-04 | 北京工业大学 | Aged hardened toolsteel tungsten argon arc welding metal powder core surfacing welding rod |
| CN100429032C (en) * | 2006-12-18 | 2008-10-29 | 华北电力大学 | Powder core welding wire for in-situ synthesizing MoSiMoSi2 bead weld layer |
| CN102489859A (en) * | 2011-12-16 | 2012-06-13 | 长春三友汽车部件制造有限公司 | Method for improving mechanical property of advanced high-strength steel spot welding joint |
| CN102489859B (en) * | 2011-12-16 | 2013-08-14 | 长春三友汽车部件制造有限公司 | Method for improving mechanical property of advanced high-strength steel spot welding joint |
| CN102581510A (en) * | 2012-02-22 | 2012-07-18 | 金华市双环钎焊材料有限公司 | Silver solder for lead-free free-cutting copper alloy soldering |
| CN102581510B (en) * | 2012-02-22 | 2014-04-30 | 金华市双环钎焊材料有限公司 | Silver solder for lead-free free-cutting copper alloy soldering |
| CN106077993A (en) * | 2012-11-22 | 2016-11-09 | Posco公司 | The welding point of pole low-temperature steel and for manufacturing the welding material of this welding point |
| US9981346B2 (en) | 2012-11-22 | 2018-05-29 | POSCO Gyeongsangbuk-Do | Welded joint of extremely low-temperature steel, and welding materials for preparing same |
| CN106077993B (en) * | 2012-11-22 | 2018-09-21 | Posco公司 | The welding point of pole low-temperature steel and welding material for manufacturing the welding point |
| CN107262966A (en) * | 2017-07-31 | 2017-10-20 | 西安理工大学 | 18Ni250 stainless steels gas shielded type flux-cored wire and preparation method thereof |
| CN107470794A (en) * | 2017-07-31 | 2017-12-15 | 西安理工大学 | 18Ni250 stainless steel metal flux-cored wires and preparation method thereof |
| CN109719415A (en) * | 2017-10-30 | 2019-05-07 | 现代自动车株式会社 | Welding wire for high strength steel |
| CN108637523A (en) * | 2018-05-14 | 2018-10-12 | 北京智双科技发展有限公司 | A kind of 1900MPa grade super strengths steel alloy flux-cored wire used for welding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1093450C (en) | 2002-10-30 |
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