Oerlikon Carborod Ni1 description: CARBOROD Ni1 is a copper coated W3Ni1/ER 80S-Ni1 type solid TIG welding rod depositing a C-0.8Mn 1.0Ni weld metal. Suitable for use with Ar shielding gas. CARBOROD Ni1 is used for welding of 1%Ni steels and fine grain steels, when the weld metal toughness properties down to –60C are required in the as welded conditions. The weld metal contains less than 1%Ni conforming to NACE requirement. TIG rod for welding 1% Ni alloy and fine grain steels for low temperature applications.