Forged grinding ball features and advantages:
1. Surface hardness of up to 60hrc
2. High volume hardness as large as 55hrc to 60hrc, uniform hardness distribution
3. High impact toughness of greater than 12j/cm²
4. Low breakage rate, peel fragmentation resistance property of over 20000 times
5. Actual breakage rate not greater than 1% and close to 0
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