CmCtw CMC-FC37N description: It is the high-strength panel mounting semi-automatic welding wire with extensive use; it is suitable for repair of casting pedestal in a large scale and connection of fractured casting die; it is also applicable to butt joint of high-hardness steel, air-cooling steel, and high-alloy steel. It can be applied to parts of difficult welding, and it can also be used bottoming and isolated layer of surfacing. Cold hardening can improve hardness.