1.diameter:25mm-130mm 2.material:50Mn,60Mn,65Mn,75SiMn,wear resistant alloy,B2,high chrome,medium chrome,low chrome,special high chrome1,special high chrome2,special high chrome3,etc 3.application fields:industries of cement building material,metallurgical sellection in mine,grinding coal in power plant,chemical industries and machinery,etc 4.hardness:more than HRC50. Outer packing:container bags or steel drums.
