FW7102 45HRC mainly used for thermal processing engineering, mold manufacturing and repair. Have good thermal fatigue resistance and high temperature anti-wear properties of intermetallic. 
 FW7103 52 ~ 58HRC for high-load thermal processing tools, manufacturing and repair. Such as: heat dies, hot extrusion die and so on. Have good thermal fatigue, thermal shock and anti-wear properties of intermetallic. 

 Martensite series wear resistant surfacing electrode 
 Enterprise standard: Q/WSH001-2003 
 Product name surfacing hardness typical application areas, working conditions and units of instruction