FREE-CUTTING FERRITIC STAINLESS STEEL EXCELLENT IN OUTGAS RESISTANCE AND CORROSION RESISTANCE AND METHOD FOR WORKING STAINLESS STEEL PARTS

摘要

PROBLEM TO BE SOLVED: To provide free-cutting ferritic stainless steel capable of suppressing the release of harmful gas such as gaseous H2S or the like and excellent in outgas resistance and corrosion resistance.;SOLUTION: This steel has a compsn. contg., by weight, ≤0.08% C, 0.10 to 1.00% Si, 1.00 to 3.00% Mn, ≤0.04% P, ≤0.10% S, 0.02 to 1.50% Cu, 0.02 to 1.50% Ni, 15.0 to 25.0% Cr, ≤0.035% N, 0.30 to 0.80% Se, 0.0080 to 0.0250% O and other suitable effective components, and the balance Fe with impurities.;COPYRIGHT: (C)2000,JPO