GOA日本大同优质模具钢,***不变形油钢,具有良好的耐磨性,良好的热处理稳定性,热处理尺寸变形***,使用在五金冲裁模具,拉深模具,丝锥,穿孔冲头等.C:0.12Mo:0.5Mn:1.3Cr:13.4GOA特长:脱气精炼钢,质量稳定;添加特殊元素与国类钢SKS3相比韧性出色;钨、铬碳化物均匀细小,耐磨性出色;球化退火处理,切削性良好稳定.主要用途:各种有锈钢片，硅钢片，铝片的冲压模．塑胶模模座/垫板,应用在电子行业上的夹具,抛光性要求不高之塑胶及橡胶模,塑胶挤压模,结构零件.出厂状态:退火HB<230,淬火硬度HRC58-6265708565Mn55Si2Mn55Si2MnB60Si2Mn55SiMnVB60Si2MnA60Si2CrA60Si2CrVA55CrMnA60CrMnA60CrMnMoA50CrVA60CrMnBA30W4Cr2VA：38Si746Si756Si755Cr360Cr354SiCr656SiCr761SiCr751CrV445SiCrV6-254SiCrV660SiCrV746SiCrMO650SiCrMo652SiCrNi552CrSiMoV460CrMo3-160CrMo3-260CrMo3-3C55SC60SC67SC75SC85SC90SC100SC125S48Si756Si751CrV480CrV275Ni8125Cr2102Cr6SL***SHDMDHVDCVDCrVVDSiCrTDCTDCrVTDSiCrFDCFDCrVFDSiCrP235GHP250GHP265GHP295GHP355GHP275NHP355NHP460NHP355QHP460QHP500QHP690QH16Mo313CrMo4-510CrMo9-1011CrMo9-10)