FW4101-welded 
 180 ~ 200HV 
 After cold hardening 
 40 ~ 45HRC or dissimilar metal welding of high manganese steel. Withstand strong impact loading tools, dies, or under high stress grab crane wheels, chassis and other components of large excavators Surfacing. Bear a strong impact for the role of the surface load during welding or surfacing of hard surface transition layer before welding. In the high manganese steel or dissimilar metal welding situations will help to improve joint strength, to avoid cracks.