Gyratory Crusher Mantle Material: High Manganese steel Mn13%Cr2, Mn18%Cr2, Mn24%Cr2 Making patten then machining,Control qu Crusher Wear parts or Mining machinery parts: 1)Production Capability: 30,000 tons 2)Use range : Machinery in metal recovery smash, mine, metallurgy, chemical industry , cement ,petroleum etc. 3)Material: high manganese steel : Mn13% , Mn18%, Mn24% High chromium iron : Cr20 ...