... Jawplate,Concave,Mantle,Sideplate etc. 2.Cone parts are a kind of the parts for Cone Crusher with material MnCr,and it is widely used ... in the fields of crushing ore,rock,coal ... . 4.These parts are made with Mn13Cr2,Mn18Cr2,with better performance. 5.It is a kind of HP500 cone crusher mantle,belonging to Symons serials ...