Gas Shield Arc Welding Wire

Abstract: A gas shield arc welding wire is provided. The present invention relates to a gas shield arc welding wire which comprises by wt%: 0.001 to 0.30% of C; 0.25% or less of Si (excluding 0%); 0.50 to 3.00% of Mn; 0.030% or less of P (excluding 0%); 0.030% or less of S (excluding 0%); 0.50% or less of Cr (excluding 0%); 0.60% or less of Mo (excluding 0%); less than 0.10% of Al (excluding 0%); 0.40% or less of Ni (excluding 0%); 0.50% or less of Cu (excluding 0%); less than 0.10% of Ti (excluding 0%); and the balance Fe and other unavoidable impurities the wire satisfying relational expression 1 and relational expression 2.

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