Purchase Qty. Reference FOB Price
25-99 Tons US$720.00
100-299 Tons US$700.00
300-499 Tons US$680.00
500+ Tons US$650.00
Product Description
1. Grade: 45#, 50Mn,60Mn, 65Mn,B2, B3 2. Size: DIA 1 INCH-6 INCH 3. Hardness: HRC 55-65 4. Certification: TUV ISO9001, SGS Product Name Forging grinding steel balls / cast iron grinding ball Material Alloy steel Hardness HRC 60-65 Breakage Rate 12AK.j/cm^2 Microstructure M+C Heat ...