Flux-cored wire capable of bearing 150kJ/cm heat input for crude oil storage tank steel electro-gas welding
The invention discloses a flux-cored wire capable of bearing 150kJ/cm heat input for crude oil storage tank steel electro-gas welding, which belongs to the technical field of welding materials, comprises a welding wire sheath and powder filled in a cavity of the welding wire sheath, and is character...
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| creator | WANG WEI QIU JUN HU BING ZHANG JIANZHONG CUI TAO YANG XIAOYU TANG YUCAN WANG QINGFENG YANG ZHIHAN HE JIANGLI ZHAO YATING |
| description | The invention discloses a flux-cored wire capable of bearing 150kJ/cm heat input for crude oil storage tank steel electro-gas welding, which belongs to the technical field of welding materials, comprises a welding wire sheath and powder filled in a cavity of the welding wire sheath, and is characterized in that the powder comprises the following components in percentage by mass: 20-30% of rutile, 1-3% of sodium fluoride, 2-6% of potassium feldspar, 3-5% of quartz, 5-8% of silicon iron, 15-20% of electrolytic manganese and 5-10% of nickel powder, the alloy comprises the following components in percentage by weight: 0.5-3% of copper powder, 2-3% of ferromolybdenum, 0.5-2% of ferrotitanium, 0-1% of tin powder, 1-3% of rare earth oxide and the balance of iron powder and inevitable impurities. The flux-cored wire has excellent welding process performance, and under the welding heat input of 80-150 kJ/cm, weld joint deposited metal meets the conditions that ReL is larger than or equal to 490 MPa, Rm is larger than |
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The flux-cored wire has excellent welding process performance, and under the welding heat input of 80-150 kJ/cm, weld joint deposited metal meets the conditions that ReL is larger than or equal to 490 MPa, Rm is larger than</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | Flux-cored wire capable of bearing 150kJ/cm heat input for crude oil storage tank steel electro-gas welding |
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