CN106425159A - Gas shielded welding wire for automatic welding of 07MnMoVR spherical tank - Google Patents
Gas shielded welding wire for automatic welding of 07MnMoVR spherical tank Download PDFInfo
- Publication number
- CN106425159A CN106425159A CN201611055616.4A CN201611055616A CN106425159A CN 106425159 A CN106425159 A CN 106425159A CN 201611055616 A CN201611055616 A CN 201611055616A CN 106425159 A CN106425159 A CN 106425159A
- Authority
- CN
- China
- Prior art keywords
- welding wire
- welding
- 07mnmovr
- spherical tank
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/3066—Fe as the principal constituent with Ni as next major constituent
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/12—Vessels
- B23K2101/125—Cans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a gas shielded welding wire for automatic welding of a 07MnMoVR spherical tank. The welding wire is a low alloy steel welding wire, the welding wire is prepared from, by weight, 0.12% or less of C, 1.3-2.0% of Mn, 0.30-1.0% of Si, 0.01% or less of S, 0.02% or less of P, 0.5% or less of Cr, 0.5-1.5% of Ni, 0.1-0.6% of Mo, 0.5% of Cu and 0.02-0.1% of Ti. The gas shielded welding wire has the advantages that the formula proportion is reasonable, welding technological performance is good, and by adding a proper amount of trace elements and a certain amount of Mn, Ni, Mo and other alloy elements, the properties of a welded metal on a flat position, a horizontal position, an vertical position and an supine position can meet requirements, and the welding wire can be applied to all-position welding.
Description
Technical field
The present invention relates to a kind of welding rod, in particular, it is to be related to a kind of 07MnMoVR spherical tank automatic welding gas that is used for protect
Shield welding wire.
Background technology
Spherical tank domestic at present is manufactured and is all assembled using Site Welding, and common welding wire cannot accomplish all-position welding, no
Method meet the performance of weld metal flat, horizontal, stand, face upward the requirement that position all can use, low-temperature impact toughness deficiency is it is impossible to satisfaction
Low temperature impact properties require, and molten iron flow is poor, and welding bead molding is unsightly.
Content of the invention
The present invention is directed to the deficiencies in the prior art, and provides one kind to be used for 07MnMoVR spherical tank automatic welding gas shielded arc welding
Silk, realize improving the low-temperature impact toughness of weld metal, weld metal performance flat, horizontal, stand, face upward position and all can meet and want
Ask, welding wire has good welding technological properties：Molten iron flow is good, the purpose such as welding bead beautiful appearance.
One kind of the present invention is used for 07MnMoVR spherical tank automatic welding gas protecting welding wire, and welding wire is low alloy steel welding wire, institute
State welding wire and add following alloying element, alloying element count by weight percentage, C≤0.12%, Mn is 1.3-2.0%, and Si is
0.30-1.0%, S≤0.01%, P≤0.02%, Cr≤0.5%, Ni is 0.5-1.5%, and Mo is 0.1-0.6%, Cu≤
0.5%, Ti are 0.02-0.1%.
As preferred technical scheme, described alloying element count by weight percentage, C≤0.1%, Mn be 1.3%, Si
For 0.3%, S≤0.01%, P≤0.02%, Cr≤0.5%, Ni is 0.5%, Mo is 0.1%, Cu≤0.5%, and Ti is
0.02%.
As preferred technical scheme, described alloying element count by weight percentage, C≤0.12%, Mn be 2.0%,
Si is 1.0%, S≤0.01%, P≤0.02%, Cr≤0.5%, and Ni is 1.5%, Mo is 0.6%, Cu≤0.5%, and Ti is
0.1%.
The invention has the beneficial effects as follows：1st, formula proportion rationally, has good welding technological properties, with the addition of in welding wire
The alloying element such as appropriate trace element and a certain amount of Mn, Ni, Mo, make the performance of weld metal flat, horizontal, stand, face upward position
All requirement can be met, this welding wire is applicable to all-position welding in addition；With the addition of the alloying elements such as Mn, Si, Ni, Mo in welding wire,
In addition also added appropriate Ti trace element in welding wire, to improve the low-temperature impact toughness of weld metal, for welding
07MnMoVR spherical tank, wlding has good low temperature impact properties, can meet hic resistance and SCC energy, and welding wire has good weldering
Connect processing performance：Molten iron flow is good, welding bead beautiful appearance.
Specific embodiment
Below by specific embodiment, technical scheme is described in further detail, but the present invention is simultaneously
It is not limited to embodiment.
Embodiment 1
The present invention is a kind of to be used for 07MnMoVR spherical tank automatic welding gas protecting welding wire, and welding wire is a kind of for low alloy steel welding wire
The low alloy steel welding wire of low temperature performance excellent, with the addition of the alloying elements such as Mn, Si, Ni, Mo in welding wire, be also added with addition in welding wire
Appropriate Ti trace element, to improve the low-temperature impact toughness of weld metal, for welding 07MnMoVR spherical tank.Its welding wire
Composition is as follows：Described alloying element count by weight percentage, C≤0.1%, Mn be 1.3%, Si be 0.3%, S≤0.01%,
P≤0.02%, Cr≤0.5%, Ni is 0.5%, Mo is 0.1%, Cu≤0.5%, and Ti is 0.02%, and remaining is Fe and can not keep away
The impurity exempted from.
C can play invigoration effect to welding wire, pass through to control appropriate component C simultaneously, be avoided that hot cracking tendency；Ti is
A kind of strong deoxidant element, improves the ability of the anti-nitrogen pore of weld metal.
Mn is the important alloying element in steel, is also important quenching degree element, and the toughness of its Resistance of Weld Metal has very
Big impact, Mn content directly determines welding quality, welding good toughness easily when Mn content is too low, but intensity is not enough
Shortcoming, during same Mn too high levels, weld strength is good, but the not enough shortcoming of toughness；
P phosphorus can all be dissolved in ferrite in steel, and it is only second to carbon to the invigoration effect of steel, makes intensity and the hardness of steel
Increase, phosphorus can improve the corrosion resistance of steel, and the too high levels of P are easily caused welding plasticity and toughness then reduces.
Inventive formulation ratio rationally, has good welding technological properties, with the addition of appropriate trace element in welding wire
With the alloying elements such as a certain amount of Mn, Ni, Mo, make the performance of weld metal flat, horizontal, stand, face upward position and all can meet requirement, this
This welding wire outer is applicable to all-position welding welding wire good low temperature impact properties, can meet hic resistance and SCC energy, weldering
Silk has good welding technological properties：Molten iron flow is good, welding bead beautiful appearance.
Embodiment 2
The present invention is a kind of to be used for 07MnMoVR spherical tank automatic welding gas protecting welding wire, and welding wire is a kind of for low alloy steel welding wire
The low alloy steel welding wire of low temperature performance excellent, with the addition of the alloying elements such as Mn, Si, Ni, Mo in welding wire, be also added with addition in welding wire
Appropriate Ti trace element, to improve the low-temperature impact toughness of weld metal, for welding 07MnMoVR spherical tank.Its welding wire
Composition is as follows：Described alloying element count by weight percentage, C≤0.12%, Mn be 2.0%, Si be 1.0%, S≤
0.01%, P≤0.02%, Cr≤0.5%, Ni be 1.5%, Mo be 0.6%, Cu≤0.5%, Ti be 0.1%, remaining be Fe and
Inevitably impurity.
The present invention first determines technical requirements, determines that component of weld wire requires according to test, enters by the technical requirements of above-mentioned formula
Row is smelted, and using online annealing drawing, is compressed being drawn into the semi-finished product of required specification through mould, semi-finished product are through clear
Wash, polish after become required specification product, need to make the welding wire of dimension further according to producing, product is marked, packaging
Become finished product.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (3)
1. a kind of be used for 07MnMoVR spherical tank automatic welding gas protecting welding wire, welding wire is for low alloy steel welding wire it is characterised in that institute
State welding wire and add following alloying element, alloying element count by weight percentage, C≤0.12%, Mn is 1.3-2.0%, and Si is
0.30-1.0%, S≤0.01%, P≤0.02%, Cr≤0.5%, Ni is 0.5-1.5%, and Mo is 0.1-0.6%, Cu≤
0.5%, Ti are 0.02-0.1%.
2. according to claim 1 a kind of for 07MnMoVR spherical tank automatic welding gas protecting welding wire it is characterised in that institute
State alloying element count by weight percentage, C≤0.1%, Mn is 1.3%, Si is 0.3%, S≤0.01%, P≤0.02%,
Cr≤0.5%, Ni is 0.5%, Mo is 0.1%, Cu≤0.5%, and Ti is 0.02%.
3. according to claim 1 a kind of for 07MnMoVR spherical tank automatic welding gas protecting welding wire it is characterised in that institute
State alloying element count by weight percentage, C≤0.12%, Mn is 2.0%, Si is 1.0%, S≤0.01%, P≤0.02%,
Cr≤0.5%, Ni is 1.5%, Mo is 0.6%, Cu≤0.5%, and Ti is 0.1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055616.4A CN106425159A (en) | 2016-11-25 | 2016-11-25 | Gas shielded welding wire for automatic welding of 07MnMoVR spherical tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055616.4A CN106425159A (en) | 2016-11-25 | 2016-11-25 | Gas shielded welding wire for automatic welding of 07MnMoVR spherical tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106425159A true CN106425159A (en) | 2017-02-22 |
Family
ID=58219627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611055616.4A Pending CN106425159A (en) | 2016-11-25 | 2016-11-25 | Gas shielded welding wire for automatic welding of 07MnMoVR spherical tank |
Country Status (1)
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|---|---|
| CN (1) | CN106425159A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093285A (en) * | 2018-09-13 | 2018-12-28 | 上海大西洋焊接材料有限责任公司 | One kind being used for Q345R spherical tank automatic welding gas protecting welding wire |
| CN109396610A (en) * | 2018-10-29 | 2019-03-01 | 江苏丰禾机械制造股份有限公司 | A kind of welding procedure of bellows |
| CN109764202A (en) * | 2018-12-26 | 2019-05-17 | 江苏丰禾机械制造股份有限公司 | A kind of Bellows expansion section |
| CN110520243A (en) * | 2017-05-01 | 2019-11-29 | 株式会社神户制钢所 | Arc welding method and welding wire |
| CN110977244A (en) * | 2019-12-25 | 2020-04-10 | 湖北理工学院 | Formula and production process of 07MnNiMoDR steel low-alloy welding rod for spherical tank at-50 DEG C |
| CN111112877A (en) * | 2019-12-25 | 2020-05-08 | 湖北理工学院 | Welding process of 07MnNiMoDR steel spherical tank at-50 DEG C |
| CN111421262A (en) * | 2020-03-27 | 2020-07-17 | 上海大西洋焊接材料有限责任公司 | Low-alloy steel argon arc welding wire for primary loop main equipment of nuclear power station |
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| CN101549442A (en) * | 2008-03-31 | 2009-10-07 | 鞍钢股份有限公司 | High-toughness metal core gas protective welding wire and manufacturing method thereof |
| CN102554498A (en) * | 2010-12-20 | 2012-07-11 | 上海大西洋焊接材料有限责任公司 | Moderate-strength favorable-impact-toughness submerged arc welding wire |
| CN103878500A (en) * | 2012-12-21 | 2014-06-25 | 鞍钢股份有限公司 | Submerged-arc welding solid wire excellent in low-temperature roughness for high heat input welding |
| CN104128715A (en) * | 2014-08-05 | 2014-11-05 | 四川大西洋焊接材料股份有限公司 | Gas protection welding wire for nuclear power steel containment vessel |
| CN104607819A (en) * | 2014-11-27 | 2015-05-13 | 宝山钢铁股份有限公司 | Ultrahigh strength gas protection welding wire and manufacturing method thereof |
| CN104741822A (en) * | 2013-12-27 | 2015-07-01 | 上海大西洋焊接材料有限责任公司 | Gas shielded welding wire |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549442A (en) * | 2008-03-31 | 2009-10-07 | 鞍钢股份有限公司 | High-toughness metal core gas protective welding wire and manufacturing method thereof |
| CN102554498A (en) * | 2010-12-20 | 2012-07-11 | 上海大西洋焊接材料有限责任公司 | Moderate-strength favorable-impact-toughness submerged arc welding wire |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110520243A (en) * | 2017-05-01 | 2019-11-29 | 株式会社神户制钢所 | Arc welding method and welding wire |
| CN109093285A (en) * | 2018-09-13 | 2018-12-28 | 上海大西洋焊接材料有限责任公司 | One kind being used for Q345R spherical tank automatic welding gas protecting welding wire |
| CN109396610A (en) * | 2018-10-29 | 2019-03-01 | 江苏丰禾机械制造股份有限公司 | A kind of welding procedure of bellows |
| CN109764202A (en) * | 2018-12-26 | 2019-05-17 | 江苏丰禾机械制造股份有限公司 | A kind of Bellows expansion section |
| CN110977244A (en) * | 2019-12-25 | 2020-04-10 | 湖北理工学院 | Formula and production process of 07MnNiMoDR steel low-alloy welding rod for spherical tank at-50 DEG C |
| CN111112877A (en) * | 2019-12-25 | 2020-05-08 | 湖北理工学院 | Welding process of 07MnNiMoDR steel spherical tank at-50 DEG C |
| CN111421262A (en) * | 2020-03-27 | 2020-07-17 | 上海大西洋焊接材料有限责任公司 | Low-alloy steel argon arc welding wire for primary loop main equipment of nuclear power station |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170222 |