油淬火-回火弹簧钢丝FDC TDC VDC FDCrV-A TDCrV-A VDCrV-A FDCrV-B TDCrV-B VDCrV-B FDSiMn TDSiMn FDCrSi TDCrSi VDCrSi
冷镦钢丝ML10 ML15 ML18 ML20 ML25 ML30 ML35 ML40 ML45 ML20MnA ML30CrMnSiA ML16CrSiNi ML20CrMoA ML30CrMoA ML35CrMoA ML42CrMoA ML38CrA ML40CrNiMoA
建筑用钢筋和钢丝Q215 Q235 24MnTi 20MnSi 41MnSiV 60 70Ti 70 L33350 L34000 L35000 Q235 K20MnSi 40Si2Mn 48Si2Mn 45Si2Cr 70 75 80 21MnSi 24MnTi 41MnSiV 70Ti