CR12MOV模具钢SKD11 8566 P20 H13圆钢s136 DC53高速钢4CR13 W6 ¥8.60 42CrMo 40CrNiMo 38CrMoAl钢板H13 40Cr 圆钢 65Mn弹簧钢16mnc ¥8.60 进口模具钢1.2343 2344 1.2738 1.2316 1.2311 1.2083扁钢板圆棒 ¥8.60 模具钢1.2316 1.2842 1.1203板材1.2738 1.2379 2083 1.2312 ¥6.60 宝钢P20条料 P40模具钢板 1.2311钢板718H板材 1.2379/D2铁块零切 ¥6.80 1cr13 2cr13 3cr13 4cr13 sus430F 440c 9cr18mo不锈钢 圆棒 ¥6.80