Purchase Qty. Reference FOB Price
20-99 Tons US$690.00
100-499 Tons US$670.00
500+ Tons US$650.00
Product Description
1. Grade: 45#,50Mn,60Mn,65Mn,B2,B3,BL,BG 2. Size: DIA20mm-150mm 3. Hardness: HRC 55-65 4. Certification: TUV ISO9001, SGS 5.Raw materials:Alloy steel Forged(Rolling) Steel Ball Classification and Chemical Composition Name C Mn Si S P Cr SY-01-45# 0.42-0.48 0.50-0.80 0.17-0.37 ...