弹簧钢:55SI2MNB60SI12MN10701064108492559260SUP6SUP3SUP7SUP9SUP10CK75CK8565MN455SI755SICR6350CRV458CRMNB4A228ASTMA227ASTMA679ASTMA229ASTMA230ASTMA878ASTMA877A401AISI302AISI316AISI631A313AISI1050A682AISI1095AUSU9254AISI301AISI316AISI631SUP11ASUP12SUP13S50C-CSPS55C-CSPS65C-CSPS70C-CSPSK4-CSPSK5-CSPSUP10-CSP59Si756SiCr7H61SiCr7H55Cr3H60CrMo3H51CrV4H52CrMoV4H65SI755Cr371Si7)