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50mm 60mm 70mm 80mm High Hardness Grinding Media Forged Steel Balls Grinding Cast Mill Ball for Mining1
Wear Resistant MaterialForged Steel BallForged Grinding Ball
Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd
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Product Description Product Description1. Grade: Crafted with precision, our grinding balls come in Grades: 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG.2. Diameter: Tailored for versatility, ranging from 20mm to 150mm, to suit diverse applications.3. Hardness: Engineered to endure, boasting a hardness range of HRC 55-65.4. Breakage Rate: Designed for durability with an impressive breakage rate of less than 1%.5. Impact Value: Delivering robust performance with an impact value exceeding 12j/Cm^2.6. Falling ball times: Tested for resilience, enduring over 20,000 falls.MaterialsC%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 shipping: Our products are securely transported via reliable ocean shipping routes.2. Customers designated transportation mode: We cater to customized transportation requests for your convenience.3. Packing Details: A. Steel drums with capacity of 850-930kgs/drum. B. Flexible container bags offering 1 ton/bag capacity.4. Delivery Details: Swift delivery within 15-20 days post receipt of payment or LC at sight.Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. is a distinguished leader specializing in the production of forged and hot rolled grinding balls and alloy grinding steel rods, boasting over a decade of excellence. With an impressive annual output of 100,000 tons, our 10 cutting-edge forging and automatic rolling production lines are designed to satisfy complex customer demands with precision.Shandong Jinchi has achieved prestigious certifications such as TUV ISO900, ISO14001, Iso45001, and boasts dual SGS and BV certifications as a testament to our quality. Our state-of-the-art laboratory is equipped with advanced testing devices including spectrometers, hardness testers, drop testers, and impact testers, ensuring meticulous quality control and traceability from raw materials to final shipment. Our esteemed clientele spans across Southeast Asia, Africa, and Latin America, covering over 40 countries. We pride ourselves on fostering robust business relationships with renowned mining companies, cement plants, thermal power plants, and chemical plants globally, earning us widespread acclaim and positive feedback.
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