Features and Advantages of high chrome Cr26,Cr27 RM60 red blow bar for Rubble Master impactor crusher in crushing hard stone,asphalt,basalt,granite . 1. Materials: h igh chrome, medium c hrome, martensitic steel, high manganese and customised materials. 2. Use: wear parts for crushers in the quarry, mining, cement aggregate, recycling, shredding .