Heat Treatment Forged Grinding Media Balls for Ball Mills¹

Product Description Product Description1. Grade: 45#,50Mn,60Mn,65Mn,B2,B3,BL,BG2. Diameter: 20mm-150mm3. Hardness: HRC 55-654. Breakage Rate:<1%5. Impact Value: >12j/Cm^26. Falling ball times: ≥20000sMaterialsC%Si%Mn%P%S%Cr%B20.70-0.850.17-0.370.70-1.00≤0.035≤0.0350.4-0.6B2-10.55-0.700.15-0.300.65-0.85≤0.020≤0.0200.70-1.10High Carbon B20.85-1.100.15-0.450.40-1.20≤0.035≤0.0350.20-1.10B30.58-0.661.70-1.900.68-0.80≤0.030≤0.0300.78-0.9045#0.42-0.500.17-0.370.5-0.8≤0.035≤0.0350.25maxB40.65-0.751.20-1.400.50-0.70≤0.025≤0.0250.85-1.00B60.75-0.900.17-0.370.8-1.02≤0.035≤0.0350.88-0.98B6-10.82-0.900.15-0.350.90-1.05≤0.020≤0.0200.88-0.98BU0.95-1.050.15-0.350.95-1.05≤0.025≤0.0250.45-0.5510900.90-1.100.17-0.370.60-0.90≤0.025≤0.025≤0.02542CrMo0.38-0.450.20-0.400.50-0.80≤0.035≤0.0350.90-1.2040Cr0.37-0.450.20-0.400.50-0.80≤0.035≤0.0350.80-1.1065MN0.62-0.700.17-0.370.90-1.20≤0.035≤0.035≤0.2560MN0.57-0.650.17-0.370.70-1.00≤0.035≤0.035≤0.2550MN0.48-0.560.17-0.370.70-1.00≤0.035≤0.035≤0.25Detailed Photos Diameter(mm)Diameter Tolerance(mm)Surface Hardness(HRC)Impact Toughness(j/cm2) Φ20+2, -1>60HRC≥12 Φ25 Φ30 Φ40 Φ50 Φ60+3, -2 Φ70 Φ80 Φ90 Φ100+4, -2 Φ110 Φ120>58HRC Φ130 Φ140+4, -3>55HRC Φ150  Certifications Packaging & Shipping1. Ocean shipping2. Customers designated transportation mode. 3. Packing Details: A. Steel drums (850-930kgs/drum) b. Flexible container bags(1ton/bag)4. Delivery Details: Within 15-20 days after received the payment or LC at sight.Shandong Jinchi Heavy Industy Joint-stock Co.,Ltd. is a professional factory specialize in the production of forged / hot rolled grinding balls, alloy grinding steel rods for more than 10 years, annual output is 100,000 tons. we have 10 worlds advanced forging and automatic rolling production lines that can meet customers' complex demands.Shandong Jinchi has passed international and industrial certifications such as TUV ISO900, ISO14001, Iso45001, etc and also passed the double certification of SGS and BV as qualified factories. Our first-class laboratory equipped with advanced testing equipment, such as spectrometer, hardness tester, drop tester, impact tester. etc.. to ensure that our products from the raw material into the factory to the production process to the shipment of every link quality control assurance and traceability.  Our customers spread all over southeast Asia, Africa, Latin America which involved more than 40 countries. We have good business cooperation with China and the world-renowned large mining companies as well as cement plants, thermal power plants and chemical plants and have received favorable comments from them.       

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