弹簧钢:CK67 CK75 CK85 CK101 38Si6 38Si7 46Si7 51Si7 55Si7 65Si7 71Si7 60SiMn5 51MnV7 54SiCr5 60SiCR7 67SiCr5 55Cr3 51CRV4 58CrV4 51CrMoV4 45CrMoV6-7 52MnCrB3 SUP3 SUP6 SUP7 SUP9 SUP9A SUP10 SUP11A SUP12 SUP13 S50C-CSP S60C-CSP S65C-CSP S70C-CSP SK5-CSP SK4-CSP SUP10-CSP SS1770 SS1774 SS1778 1065 1070 1084 1566 1572 9255 9260 5155 5160 4151 6150 51B60H OTEVA31 OTEVA60SC OTEVA70SC OTEVA75SC OTEVA90SC SWOSC-V SWOSC-VH SWOSC-VHV SWOSC-VHS  SWOSC-VHR CRV-E CRV HRS6 KHV6N KHV7