Blow Bar, Impact Plate, Impact Crusher Wear Parts for
Blow Bar, Impact Plate Impact Crusher Wear Parts. The main wearing parts of Impact Crusher are blow bars and impact plates, with special heattreatment, the hardness of our blow bar can reach to HRC58~HRC63. The product mainly uses high manganese steel material, for example Mn14Cr2, Mn18Cr2, Mn22Cr2 and so on.