Co-based welding wire HS113G 
 Main chemical composition /% 
 C3.2-3.55 Mn ≤ 1.0 Si0.5-1.1 Cr24-28 W12-16 Fe ≤ 2.5 Co margin 
 Surfacing layer hardness HRC: ≥ 54 
 Main characteristics and use: 
 Surfacing material with excellent wear and heat resistant, corrosion resistance, high temperature to 800 ℃ can maintain these characteristics, single-poor impact toughness, the temperature sensitive layer of surfacing. For the eutectic microstructure and thick composite carbide. Mainly used to pump and rotary seal ring sleeve, wear panel, sleeve bearings, high temperature hot roller, oil surfacing drill, etc.