B3 D110mm Hot Rolling Steel Ball Surface Hardness 58 -59hrc Grinding Media for Chemical industry
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Cement Plants Hot Rolling Steel Balls B2 D60MM Surface Hardness 57-60HRC Super Grinding-Resisting save usage
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Even Hardness Sgs B3 D90mm Hot Rolling Steel Ball Core Hardness 58-59hrc Unbreakable for Cement Plants
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No Surface Defects Grinding Steel Ball B3 D120mm Surface Hardness 58 -59hrc Grinding Media for Chemical industry
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Sgs Core hardness 58-60.5hrc Hot Rolling Steel Ball B2 D50mm Grinding Media for cement plants
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Even Hardness Core Hardness 56-59hrc B2 D30MM Steel Balls For Ball Mill Surface Hardness 58-61hcr for Power stations
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