STAINLESS STEEL MATERIAL HAVING EXCELLENT SLAG SPOT OCCURRENCE PREVENTION PERFORMANCE, WELDED STRUC

文件类型：PDF文档
文件大小：1204K
This stainless steel material can stably and markedly suppress the occurrence of slag spots during arc welding, the stainless steel material having a chemical composition that contains, in terms of mass%, 0.005-0.100% of C, 0.10-3.00% of Si, 0.10-6.50% of Mn, 0.001-0.050% of P, 0.0001-0.0200% of S, 0-20.00% of Ni, 10.50-26.00% of Cr, 0.005-0.200% of N, 0.0030-0.0150% of O and, if necessary, prescribed quantities of Mo, Cu, Nb, V, Zr, W, Co, B, Ti, Al, Ca, Mg, REM (rare earth elements excluding Y) and Y, with the remainder comprising Fe and unavoidable impurities, with the average CaO/(SiO2+MnO+CaO) mass ratio being 0.40 or less and the average CaO/MnO mass ratio being 15.0 in oxide-based inclusions observed in the steel structure.