| 摘要 |
<p>A submerged arc welding material is disclosed. According to an embodiment of the present invention, the submerged arc welding material comprises 0.02-0.03 wt% of C, 0.6-0.7 wt% of Si, 1.2-1.3 wt% of Mn, 0.07-0.125 wt% of P, 0.007 wt% or less of S, 0.5 wt% or less (except 0) of Cr, 0.2-0.43 wt% of Ni, 0.2-0.45 wt% of Cu, 0.45-0.55 wt% of Mg, and the remaining amount of Fe and other inevitable impurities.</p> |
