冷作模具钢板ML45光板SWGH13毛料NiCr19Fe19Nb5Mo3 SKS93全

5CrNi4Mo ML45冷作模具钢SWGH13薄中厚板 SX105V光圆SKS2板材棒料

优质DC53/SKD11模具钢 CR12MOV H13 4CR13/P20 718H S136 SWGH13

5CrNiMo 冷作模具钢 5CrNi4Mo ML45 SWGH13 1.2341 51Si7 60WCRV8

45#号 Cr12 CR12MOV模具钢 H13 P20 DC53 718H 40CR SKD11 SWGH13

NiCr19Fe19Nb5Mo3 SKS93 冷作模具钢 5CrNi4Mo ML45冷作钢SWGH13

ML45冷作模具钢SWGH13毛料NiCr19Fe19Nb5Mo3钢板SKS93全硬料光板

冷作模具钢板ML45光板SWGH13毛料NiCr19Fe19Nb5Mo3 SKS93全硬料

NiCr19Fe19Nb5Mo3 SKS93 冷作模具钢 5CrNi4Mo ML45冷作钢SWGH13

NiCr19Fe19Nb5Mo3 SKS93 冷模具钢 5CrNi4Mo ML45冷作钢SWGH13

45#号钢板SKD11 D2圆棒DC53 S136 模具钢 H13 CR12MOV P20 SWGH13