FW4103-welded 
 HV180-220 
 After cold hardening 
 HRC45-50 to withstand a strong impact on the stone machine parts, excavator parts, such as Surfacing railway turnouts. Applicable to withstand strong impact wear of the workpiece surfacing, such as granite and other hard stone for grinding the thickness of occasions and large broken parts repair welding machine has a special advantage. 

 Cold Work Die Welding Rod 
 Enterprise standard: Q/WSH001-2003 
 Product name surfacing hardness typical application areas, working conditions and units of instruction