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SUPER HIGH STRENGTH GAS SHIELDED WELDING WIRE CONTAINING V AND MANUFACTURING METHOD THEREFOR
SUPER HIGH STRENGTH GAS SHIELDED WELDING WIRE CONTAINING V AND MANUFACTURING METHOD THEREFOR
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机译:含V的超高强度气保焊丝及其制造方法
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摘要
Provided is a superhigh strength gas shielded welding wire containing V, the mass percentage contents of the chemical elements thereof being: 0.08-0.12% of C, 0.65-0.80% of Si, 1.80-1.95% of Mn, 0 Cu ‰¤ 0.25%, 0.20-0.40% of Cr, 0.2-0.6% of Mo, 1.30-1.80% of Ni, 0.08-0.20% of Ti, 0.01-0.05% of V, 0.0070-0.0130% of N, and the balance of Fe and other inevitable impurities. Also provided is a method for manufacturing the welding wire. A weld metal obtained after welding with said welding wire has a higher strength and toughness, and also has a good crack resistance, weldability and plasticity.
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