供应合金结构钢钢丝：12CrNi3A12CrNi4A15CrA18Cr2Ni4WA20CrNi3A38CrA30CrMnSiA38CrE35CrMnSiA50CrVA30CrMnSiNi2A38CrMoA1A40CrA40CrNiMoA30CrNi3A25Cr2Ni4WA30CrMnMoTiA30SiMn2MoVA30SiMn2MoVE30CrNi2MoVA碳素和合金弹簧钢丝：合金弹簧钢丝（50CrVA55CrSiA60Si2MnA）重要用途碳素弹簧钢丝（65Mn70T9AT8MnA）油淬火-回火弹簧钢丝的代号：FDCTDCVDCFDCrV-ATDCrV-AVDCrV-AFDCrV-BTDCrV-BVDCrV-BFDSiMnTDSiMnFDCrSiTDCrSiVDCrSi冷镦钢丝：碳素钢（ML10ML15ML18ML20ML25ML30ML35ML40ML45）合金结构钢（ML20MnAML30CrMnSiAML16CrSiNiML20CrMoAML30CrMoAML35CrMoAML42CrMoAML38CrAML40CrNiMoA）)