专业代理销售粉末钢/高速钢/模具钢/精轧薄板/带钢等产品
SKH59 M42 S500;
C-1.102 SI-0.503 S-0.002 P-0.019 MN-0.316 CR-4.062 MO-9.413 V-1.105 W-1.517 CO-7.917