... %, Mn18%, Mn24%, etc. 3. Durable. JQ Casting(Cone Cusher Spare Parts) Cone Crusher Parts ExpertsJQ Casting is the Aftermarket Cone Crusher experts and ... , Mn18Cr2, Mn20Cr2Mo, Mn21Cr2……..Concave & Mantle: Mn13Cr2, Mn18Cr2, Mn20Cr2Mo, Mn21Cr2……..Ball Mill Liner: High manganese steel, RubberBushing: Tin bronze, Lead bronzeBlow Bar ...