CN105583548A - High-strength low-alloy steel metal-cored welding wire capable of being used for dual-gas shielded arc welding - Google Patents
High-strength low-alloy steel metal-cored welding wire capable of being used for dual-gas shielded arc welding Download PDFInfo
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- CN105583548A CN105583548A CN201610051531.2A CN201610051531A CN105583548A CN 105583548 A CN105583548 A CN 105583548A CN 201610051531 A CN201610051531 A CN 201610051531A CN 105583548 A CN105583548 A CN 105583548A
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- 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
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- 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
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- Nonmetallic Welding Materials (AREA)
Abstract
The invention aims to provide a high-strength low-alloy steel metal-cored welding wire capable of being used for dual-gas shielded arc welding. The high-strength low-alloy steel metal-cored welding wire can be used for shielded arc welding of dual gases, namely an argon gas and a carbon dioxide gas, and is less in spatter, and weld metal has favorable hydrogen cracking resistance and hydrogen sulfide corrosion resistance. The high-strength low-alloy steel metal-cored welding wire comprises the following raw materials in part by weight: 8.80-8.84 parts of nickel powder, 5.44-5.48 parts of ferro-molybdenum, 59.90-59.94 parts of iron powder, 6.98-7.02 parts of manganese metal, 6.98-7.02 parts of low-carbon ferromanganese, 3.48-3.52 parts of ferrosilicon, 2.78-2.82 parts of ferrotitanium, and 3.48-3.52 parts of silicomanganese. The dual-gas metal-cored welding wire is manufactured by an existing flux-cored wire manufacturing technology after the powdery raw materials are mixed.
Description
Technical field
The present invention relates to a kind of Aldecor metal core welding wire that can be used for two gas shielded arc weldings.
Background technology
Existing various flux-cored wire, because the proportioning of its recipe ingredient is unreasonable, causes existing variousThe welding technological properties of flux-cored wire is desirable not to the utmost, and welding efficiency is lower, splashes larger, and weld seam causes at anti-hydrogenThe aspects such as crack performance and hydrogen sulfide corrosion resistance energy also await further raising.
Summary of the invention
The object of this invention is to provide one and can be used for argon gas, two kinds of gas shielded arc weldings of carbon dioxide, welding effectRate is high, splash little, weld metal have good anti-Hydrogen induced cracking performance and hydrogen sulfide corrosion resistance canFor the Aldecor metal core welding wire of two gas shielded arc weldings.
The Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present invention, its raw material packetDraw together:
Weight portion is pulverous nickel powder of 8.80-8.84,
Weight portion is pulverous molybdenum-iron of 5.44-5.48,
Weight portion is pulverous iron powder of 59.90-59.94,
Weight portion is pulverous manganese metal of 6.98-7.02,
Weight portion is pulverous low-carbon ferromanganese of 6.98-7.02,
Weight portion is pulverous ferrosilicon of 3.48-3.52,
Weight portion is pulverous ferrotianium of 2.78-2.82,
Weight portion is pulverous silicomanganese of 3.48-3.52;
After above-mentioned pulverous raw material is mixed, utilize existing flux-cored wire manufacturing technology to be made into two gasMetal core welding wire.
The Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present invention, wherein its raw materialComprise:
The nickel powder FNi-1 that 80 object weight portions are 8.81-8.83,
The molybdenum-iron FeMo55-AB that 80 object weight portions are 5.45-5.47,
The iron powder FHT100.25 that 80 object weight portions are 59.91-59.93,
The manganese metal JMn97-AB that 80 object weight portions are 6.99-7.01,
The low-carbon ferromanganese FeMn84C0.7 that 80 object weight portions are 6.99-7.01,
The ferrosilicon FeSi75A10.5-AB that 80 object weight portions are 3.49-3.51,
The ferrotianium FeTi30-AB that 80 object weight portions are 2.79-2.81,
The silicomanganese Mn64Si23 that 80 object weight portions are 3.49-3.51.
The Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present invention, wherein its raw materialComprise:
The nickel powder FNi-1 that 80 object weight portions are 8.82,
The molybdenum-iron FeMo55-AB that 80 object weight portions are 5.46,
The iron powder FHT100.25 that 80 object weight portions are 59.92,
The manganese metal JMn97-AB that 80 object weight portions are 7,
The low-carbon ferromanganese FeMn84C0.7 that 80 object weight portions are 7,
The ferrosilicon FeSi75A10.5-AB that 80 object weight portions are 3.5,
The ferrotianium FeTi30-AB that 80 object weight portions are 2.8,
The silicomanganese Mn64Si23 that 80 object weight portions are 3.5.
The Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present invention, its raw material packetDraw together:
The nickel powder FNi-1 that 80 object weight portions are 8.80-8.84,
The molybdenum-iron FeMo55-AB that 80 object weight portions are 5.44-5.48,
The iron powder FHT100.25 that 80 object weight portions are 59.90-59.94,
The manganese metal JMn97-AB that 80 object weight portions are 6.98-7.02,
The low-carbon ferromanganese FeMn84C0.7 that 80 object weight portions are 6.98-7.02,
The ferrosilicon FeSi75A10.5-AB that 80 object weight portions are 3.48-3.52,
The ferrotianium FeTi30-AB that 80 object weight portions are 2.78-2.82,
The silicomanganese Mn64Si23 that 80 object weight portions are 3.48-3.52;
After above-mentioned pulverous raw material is mixed, utilize existing flux-cored wire manufacturing technology to be made into two gasMetal core welding wire.
The manganese metal of the specified quantitative containing in formula of the present invention, can be carrying the high-intensity while, due to metalThe boiling point relatively low (2335 °) of manganese, under welding arc temperature (3000 °-5000 °), can evaporateFor manganese steam, the protective atmosphere being formed by its specified quantitative, can effectively stop the intrusion of pernicious gas. And fill a prescriptionIn the nickel element of the specified quantitative that adds, can optimization of C/C composites in the ratio of various metal powders, improve weld seamToughness, intensity, play the existing angle of anti-low temperature crackle. Si, the Mn of the specified quantitative adding in formula in addition, closeGold can combined deoxidation, and the Ti element of interpolation can crystal grain thinning, increases the quantity of acicular ferrite, is conducive toThe raising of weld metal low-temperature flexibility is with stable.
Experiment shows, the Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present inventionDeposited metal mechanical performance index is as follows:
Tensile strength Rm >=690 (Mpa), yield strength Rp0.2 >=610 (Mpa), percentage elongation A (%) >=16, Impact energy Ak v (J)-20 DEG C >=27.
And the Aldecor metal core welding wire that the present invention can be used for two gas shielded arc weldings can be used for argon gas,Two kinds of gas shielded arc weldings of carbon dioxide, welding efficiency is high, splashes little, and weld metal has good anti-hydrogen and causesThe advantages such as crack performance and hydrogen sulfide corrosion resistance energy. Therefore, of the present inventionly can be used for two gas shielded arc weldingsAldecor flux-cored wire has outstanding substantive distinguishing features and significant progressive.
Below in conjunction with specific embodiment to the Aldecor that can be used for two gas shielded arc weldings of the present inventionFlux-cored wire is further described in detail.
Detailed description of the invention
Embodiment 1
The Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present invention, its raw material packetDraw together:
Weight portion is pulverous nickel powder of 8.80-8.84,
Weight portion is pulverous molybdenum-iron of 5.44-5.48,
Weight portion is pulverous iron powder of 59.90-59.94,
Weight portion is pulverous manganese metal of 6.98-7.02,
Weight portion is pulverous low-carbon ferromanganese of 6.98-7.02,
Weight portion is pulverous ferrosilicon of 3.48-3.52,
Weight portion is pulverous ferrotianium of 2.78-2.82,
Weight portion is pulverous silicomanganese of 3.48-3.52;
After above-mentioned pulverous raw material is mixed, utilize existing flux-cored wire manufacturing technology to be made into two gasMetal core welding wire.
Embodiment 2
The Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present invention, its raw material packetDraw together:
The nickel powder FNi-1 that 80 object weight portions are 8.81-8.83,
The molybdenum-iron FeMo55-AB that 80 object weight portions are 5.45-5.47,
The iron powder FHT100.25 that 80 object weight portions are 59.91-59.93,
The manganese metal JMn97-AB that 80 object weight portions are 6.99-7.01,
The low-carbon ferromanganese FeMn84C0.7 that 80 object weight portions are 6.99-7.01,
The ferrosilicon FeSi75A10.5-AB that 80 object weight portions are 3.49-3.51,
The ferrotianium FeTi30-AB that 80 object weight portions are 2.79-2.81,
The silicomanganese Mn64Si23 that 80 object weight portions are 3.49-3.51.
After above-mentioned pulverous raw material is mixed, utilize existing flux-cored wire manufacturing technology to be made into two gasMetal core welding wire.
Embodiment 3
The Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present invention, its raw material packetDraw together:
The nickel powder FNi-1 that 80 object weight portions are 8.82,
The molybdenum-iron FeMo55-AB that 80 object weight portions are 5.46,
The iron powder FHT100.25 that 80 object weight portions are 59.92,
The manganese metal JMn97-AB that 80 object weight portions are 7,
The low-carbon ferromanganese FeMn84C0.7 that 80 object weight portions are 7,
The ferrosilicon FeSi75A10.5-AB that 80 object weight portions are 3.5,
The ferrotianium FeTi30-AB that 80 object weight portions are 2.8,
The silicomanganese Mn64Si23 that 80 object weight portions are 3.5.
After above-mentioned pulverous raw material is mixed, utilize existing flux-cored wire manufacturing technology to be made into two gasMetal core welding wire.
Experiment shows, the Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present inventionDeposited metal mechanical performance index is as follows:
Tensile strength Rm >=700 (Mpa), yield strength Rp0.2 >=610 (Mpa), percentage elongation A (%) >=16, Impact energy Ak v (J)-20 DEG C >=27, and passed through to have 50,000 intensity tests of international highest level.
Traditional CO2Real core wire bond connects because it splashes seriously, and manufacturability is poor, and tensile strength is 700MPaAbove real core silk is smelted and is manufactured difficulty, and mechanical property is difficult to meet the requirement of high-strength steel sheet solder technology. ThisThe Aldecor flux-cored wire that can be used for two gas shielded arc weldings of invention has low flue dust, production efficiencyHigh, can be suitable for multiple different protective gas, be suitable for multi-pass welding, without welding slag interior with metal core welding wire andThe feature that outward appearance moulding is extremely attractive in appearance, it can be enhanced productivity, and is applicable to the large specification welding of 450A, moltenThe speed of applying improves 4% than the real core silk of Ф 1.6. Therefore, the high strength that can be used for two gas shielded arc weldings of the present inventionLow-alloy steel metal core welding wire can adapt to fully-mechanized mining equipment technical development, meets the welding of different series high-strength steel sheetNeed, meet the requirement of user to product serviceability and presentation quality.
Can using of the Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present inventionCO2 and Ar+CO2Two kinds of gas shields are welded, and have met different clients' instructions for use simultaneously. ExistingIn welding application, verify. A large amount of the experiment results prove: pair gas that can be used for of the present inventionThe Aldecor metal core welding wire of body protection weldering has higher intensity, plasticity and toughness, more easily obtainsObtain appearance of weld and satisfied structure presentation quality well. Spatter loss coefficient maximum is only 1/3 of prior art,And cleaning easily.
The manganese metal of the specified quantitative containing in formula of the present invention, can be carrying the high-intensity while, due to metalThe boiling point relatively low (2335 °) of manganese, under welding arc temperature (3000 °-5000 °), can evaporateFor manganese steam, the protective atmosphere being formed by its specified quantitative, can effectively stop the intrusion of pernicious gas. And fill a prescriptionIn the nickel element of the specified quantitative that adds, can optimization of C/C composites in the ratio of various metal powders, improve weld seamToughness, intensity, play the existing angle of anti-low temperature crackle. Si, the Mn of the specified quantitative adding in formula in addition, closeGold can combined deoxidation, and the Ti element of interpolation can crystal grain thinning, increases the quantity of acicular ferrite, is conducive toThe raising of weld metal low-temperature flexibility is with stable.
The Aldecor metal core welding wire that can be used for two gas shielded arc weldings of the present invention, obvious with itThe advantage of technology and economic aspect, progressively becomes the leading products of welding material, be 21st century tool send outThe high-tech welding material of exhibition prospect.
Embodiment recited above is described the preferred embodiment of the present invention, not to thisBright scope limits, and designs under spiritual prerequisite the common engineering people in this area not departing from the present inventionVarious distortion and improvement that member makes technical solution of the present invention, all should fall into claims of the present invention trueIn fixed protection domain.
Claims (3)
1. the Aldecor metal core welding wire that can be used for two gas shielded arc weldings, is characterized in that: itsRaw material comprises:
Weight portion is pulverous nickel powder of 8.80-8.84,
Weight portion is pulverous molybdenum-iron of 5.44-5.48,
Weight portion is pulverous iron powder of 59.90-59.94,
Weight portion is pulverous manganese metal of 6.98-7.02,
Weight portion is pulverous low-carbon ferromanganese of 6.98-7.02,
Weight portion is pulverous ferrosilicon of 3.48-3.52,
Weight portion is pulverous ferrotianium of 2.78-2.82,
Weight portion is pulverous silicomanganese of 3.48-3.52;
After above-mentioned pulverous raw material is mixed, utilize existing flux-cored wire manufacturing technology to make metal-cored welderingSilk.
2. the Aldecor that can be used for two gas shielded arc weldings according to claim 1 is metal-coredWelding wire, is characterized in that: its raw material comprises:
The nickel powder FNi-1 that 80 object weight portions are 8.81-8.83,
The molybdenum-iron FeMo55-AB that 80 object weight portions are 5.45-5.47,
The iron powder FHT100.25 that 80 object weight portions are 59.91-59.93,
The manganese metal JMn97-AB that 80 object weight portions are 6.99-7.01,
The low-carbon ferromanganese FeMn84C0.7 that 80 object weight portions are 6.99-7.01,
The ferrosilicon FeSi75A10.5-AB that 80 object weight portions are 3.49-3.51,
The ferrotianium FeTi30-AB that 80 object weight portions are 2.79-2.81,
The silicomanganese Mn64Si23 that 80 object weight portions are 3.49-3.51.
3. the Aldecor that can be used for two gas shielded arc weldings according to claim 2 is metal-coredWelding wire, is characterized in that: its raw material comprises:
The nickel powder FNi-1 that 80 object weight portions are 8.82,
The molybdenum-iron FeMo55-AB that 80 object weight portions are 5.46,
The iron powder FHT100.25 that 80 object weight portions are 59.92,
The manganese metal JMn97-AB that 80 object weight portions are 7,
The low-carbon ferromanganese FeMn84C0.7 that 80 object weight portions are 7,
The ferrosilicon FeSi75A10.5-AB that 80 object weight portions are 3.5,
The ferrotianium FeTi30-AB that 80 object weight portions are 2.8,
The silicomanganese Mn64Si23 that 80 object weight portions are 3.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610051531.2A CN105583548B (en) | 2016-01-26 | 2016-01-26 | Aldecor metal core welding wire available for double gas shielded arc weldings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610051531.2A CN105583548B (en) | 2016-01-26 | 2016-01-26 | Aldecor metal core welding wire available for double gas shielded arc weldings |
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| Publication Number | Publication Date |
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| CN105583548A true CN105583548A (en) | 2016-05-18 |
| CN105583548B CN105583548B (en) | 2017-12-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312367A (en) * | 2016-09-07 | 2017-01-11 | 北京智双科技发展有限公司 | Gas-shielded flux-cored wire for welding x80 pipeline steel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3764303A (en) * | 1969-07-11 | 1973-10-09 | G Schmidt | Fe cr ni co mn mo welding material and blank wire and bare band electrode forms thereof |
| CN1413795A (en) * | 2002-12-25 | 2003-04-30 | 钢铁研究总院 | Super-low carbon high-intensity gas protection welding stick material |
| CN101406997A (en) * | 2008-10-22 | 2009-04-15 | 燕山大学 | Surfacing electrode for green refabrication technology for composite bimetal hot shear edge |
| CN102489902A (en) * | 2011-12-09 | 2012-06-13 | 四川大西洋焊接材料股份有限公司 | Metal powder type flux-cored wire used for welding high-impact-toughness steel |
| CN103028864A (en) * | 2012-12-14 | 2013-04-10 | 中国船舶重工集团公司第七二五研究所 | High-strength and high-toughness metal powder type flux-cored wire with no need of being pre-heated before welded |
-
2016
- 2016-01-26 CN CN201610051531.2A patent/CN105583548B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3764303A (en) * | 1969-07-11 | 1973-10-09 | G Schmidt | Fe cr ni co mn mo welding material and blank wire and bare band electrode forms thereof |
| CN1413795A (en) * | 2002-12-25 | 2003-04-30 | 钢铁研究总院 | Super-low carbon high-intensity gas protection welding stick material |
| CN101406997A (en) * | 2008-10-22 | 2009-04-15 | 燕山大学 | Surfacing electrode for green refabrication technology for composite bimetal hot shear edge |
| CN102489902A (en) * | 2011-12-09 | 2012-06-13 | 四川大西洋焊接材料股份有限公司 | Metal powder type flux-cored wire used for welding high-impact-toughness steel |
| CN103028864A (en) * | 2012-12-14 | 2013-04-10 | 中国船舶重工集团公司第七二五研究所 | High-strength and high-toughness metal powder type flux-cored wire with no need of being pre-heated before welded |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312367A (en) * | 2016-09-07 | 2017-01-11 | 北京智双科技发展有限公司 | Gas-shielded flux-cored wire for welding x80 pipeline steel |
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| CN105583548B (en) | 2017-12-01 |
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