Purchase Qty. Reference FOB Price
25-199 ton US$679.00
200-399 ton US$649.00
400-499 ton US$629.00
500+ ton US$600.00
Product Description
Factory Sales Grinding Steel Balls for Mining Description: 1. Grade: 45#, 60Mn, 65Mn, B2, B3, B6 2. Size: DIA 20MM-150MM 3. Hardness: HRC 50-65 4. Certification: TUV ISO 9001, ISO14001, ISO45001, SGS, BV 5. Chemical composition: Name C Mn Si S P Cr SY-01-45# 0.42-0.48 ...