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new projects of dember ball mill diameters are the liner

BTMCr20 Coal Mill Liners for Grinding Ball Mills Wear Resistant White Cast Iron EB2008 Material Grade: 1. Cr-Mo Alloy Steel: ZG50Cr5Mo,ZG60Cr6Mo,Cr12Mo :Hardness:≥HRC48, Impact value:≥25J. 2.