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Premium Forged Steel Grinding Balls for Industrial Mills. Customized Hardness: Hardness ranges from 46 to 68 HRC based on specific requirements. Low Breakage Rate: Breakage rate is strictly controlled to be less than 0.5%. High Impact Resistance: Impact resistance exceeds 18,000 times for durability. Multiple Material Options: Available in 45#, 50mn, 60mn, 65mn, B2, B3, B4, and B6 grades. Advanced Heat Treatment: Processed with quenching and tempering for enhanced wear resistance. Strict Quality Control: Rigorous testing of raw materials and finished products per furnace. ISO Certification: Certified for quality, environment, and occupational health management. Flexible Customization: Supports full customization from samples and designs.