SUS301 AUSTENITIC STAINLESS STEEL FOR SPRING

摘要

PROBLEM TO BE SOLVED: To provide SUS301 austenitic stainless steel for a spring whose wire drawability and fatigue strength are both excellent.;SOLUTION: The SUS301 austenitic stainless steel for a spring comprises Ca and REM by ≤0.0015 wt.% in total, and nonmetallic inclusions contained in the steel comprise CaO and REM oxide, and the total content of CaO-La₂O₃-Ce₂O₃ in the nonmetallic inclusions is controlled to ≥10 wt.%.;COPYRIGHT: (C)2008,JPO&INPIT