CDS12合金钢/CDS12圆钢/CDS12化学成份/CDS12力学性能/CDS12热处理规范 化学元素 碳C 0.17~0.24 硅Si 0.17~0.37 锰Mn 0.40~0.70, 铬Cr 0.80~1.10, 钼Mo0.15~0.25 用途: 齿轮、紧固件、法兰、螺母等 现货规格:圆钢:20-300,钢板:3-60厚 昕翔实业为广大新老客户提供X质金属材料,021-57899793 CDS12合金钢/CDS12圆钢/CDS12化学成份/CDS12力学性能/CDS12热处理规范