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20mm-150mm Steel Balls for Reliable Grinding Media Solutions1
Wear Resistant MaterialReliable Grinding BallsSteel Balls Solutions
Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd
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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: >12 j/Cm^26. Falling ball times: ≥20,000sMaterialsC%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 (1 ton/bag)4. Delivery Details: Within 15-20 days after receiving payment or LC at sight.Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd. is a renowned professional factory specializing in the production of high-quality forged and hot-rolled grinding balls, as well as alloy grinding steel rods for over a decade. With an impressive annual output of 100,000 tons, we pride ourselves on operating 10 state-of-the-art forging and automatic rolling production lines, designed to meet even the most complex customer demands with precision and excellence.Shandong Jinchi has achieved prestigious international and industrial certifications, including TUV ISO900, ISO14001, ISO45001, and has earned dual certification from SGS and BV, underscoring our status as a trusted, qualified factory. Our top-tier laboratory is outfitted with advanced testing equipment, such as spectrometers, hardness testers, drop testers, and impact testers, ensuring rigorous quality control and traceability from raw material intake through production and shipment. Our esteemed clientele spans Southeast Asia, Africa, and Latin America, encompassing over 40 countries. We have established strong business partnerships with prominent global mining companies, as well as leading cement, thermal power, and chemical plants, garnering favorable reviews and solidifying our reputation for excellence.
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