MATERIAL FOR SUBMERGED ARC WELDING AND GAS METAL ARC WELDING HAVING EXCELLENT IMPACT RESISTANCE AND ABRASION RESISTANCE

摘要

The present invention relates to a material for submerged arc welding and gas metal arc welding having excellent impact resistance and abrasion resistance. According to an embodiment of the present invention, the material is composed of 0.12-0.75 wt% of C, 0.2-1.2 wt% of Si, 15-27 wt% of Mn, 2-7 wt% of Cr, equal or less than 0.025 wt% of S, equal or less than 0.020 wt% of P, and a remaining amount of Fe and impurities. According to the present invention, the material provides a welded joint with excellent weldability, low temperature impact toughness, and abrasion resistance to be applicable to the manufacturing of pipes used in an oil sand industry and the like.;COPYRIGHT KIPO 2015