SUP7弹簧钢日本进口弹簧钢SUP7弹簧钢性能材料名称：SUP7特性及适用范围：SUP7是应用广泛的硅锰弹簧钢，强度、弹性和淬透性较55Si2Mn稍高。适于铁道车辆、汽车拖拉机工业上制作承受较大负荷的扁形弹簧或线径在30mm以下的螺旋弹簧、也适于制作工作温度在250℃以下非腐蚀介质中的耐热弹簧以及承受交变负荷及在高应力下工作的大型重要卷制弹簧。化学成份：碳C：0.56～0.64硅Si：1.50～2.00锰Mn：0.60～0.90硫S：≤0.035磷P：≤0.035铬Cr：≤0.35镍Ni：≤0.35铜Cu：≤0.25力学性能：抗拉强度σb(MPa)：≥1274(130)屈服强度σs(MPa)：≥1176(120)伸长率δ10(%)：≥5断面收缩率ψ(%)：≥25硬度：热轧,≤321HB;冷拉+热处理,≤321HB热处理规范及金相***：热处理规范：淬火870℃&plu***n;20℃,油冷;回火480℃&plu***n;50℃(特殊需要时,&plu***n;30℃)。金相***：回火屈氏体。交货状态：热轧钢材以热处理或不热处理状态交货，冷拉钢材以热处理状态交货。SUP7荣创钢带0.2*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带0.3*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带0.4*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带0.5*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带0.6*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带0.7*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带0.8*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带1.0*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带1.2*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带1.3*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带1.4*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带1.5*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带1.6*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带1.7*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带1.8*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带2.0*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带2.2*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带2.5*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带2.6*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带2.8*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带3.0*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带3.5*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带4.0*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带4.5*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带5.0*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带5.5*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)SUP7荣创钢带6.0*160/180/200/262钢板1*(200MM-2.1M)*(1M-6M)弹簧钢分类.碳素弹簧钢碳素弹簧钢的碳含量(质量分数)一般在0.62%~0.90%。按照其锰含量又分为一般锰含量(质量分数)(0.50%~0.80%)如65、70、85和较高锰含量(质量分数)(0.90~1.20%)，如65Mn两类。2.合金弹簧钢合金弹簧钢是在碳素钢的基础上，通过适当加入一种或几种合金元素来提高钢的力学性能、淬透性和其他性能，以满足制造各种弹簧所需性能的钢。荣创金属材料行本公司经营：进口弹簧钢，弹簧钢线，弹簧钢板，弹簧钢带，弹簧钢圆棒，进口弹簧钢带,进口弹簧钢丝,进口弹簧钢规格,进口弹簧钢牌号,碳素弹簧钢，合金弹簧钢，日本进口弹簧钢,国芬可乐弹簧钢，日本住友弹簧钢，德国进口弹簧钢等等欢迎各新老客户来电来函订购！)