A general purpose, copper coated, low carbon steel rod that is widely used on mild steel. It offers good ductility and machinability. Conforms to AWS A5.2, R45.
Used for welding low carbon steel, automotive repair and ornamental art.
- Use a neutral flame; however, a very slight excess of acetylene assures the absence of an oxidizing flame that adversely influences weld quality.
- Flux is not needed, but "puddling of the molten weld metal will bring any scale or impurities to the surface.