... /Cm2. 3.JIS, DIN, ASTM, BS certificates. Crusher Hammer :Bimetal Composited Crusher HammerTypeMaterialWeight (kg)Hardness (HRC)Impact ductility ... toughness and hardness conflict, promote the wear resistanceof hammer. Bimetal hammer it can be applied to high impact environment, ... Major wear parts : High Manganese parts Fixed Jaw Plate Swing Jaw Plate Upper cheek plate Lower cheek plate Toggle plate ...