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STEEL WELDING JOINT HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND CRACK RESISTANCE
STEEL WELDING JOINT HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND CRACK RESISTANCE
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机译:钢焊接接头具有优异的低温韧性和抗裂性
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摘要
The present invention relates to a weld joint having excellent low-temperature impact toughness and crack resistance, and more particularly, in weight %, carbon (C): 0.1 to 0.14%, silicon (Si): 0.15 to 0.6%, manganese (Mn) ): 1.28 to 1.8%, nickel (Ni): 0.005 to 0.035%, phosphorus (P): 0.01% or less, sulfur (S): 0.003% or less, nitrogen (N): 0.008 to 0.03%, balance Fe and other unavoidable It relates to a weld joint containing impurities.
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