Oerlikon Inertrod 410 description: INERTROD 410 is a ER410/W13 type solid TIG welding rod depositing a C-13%Cr weld metal. Suitable for use mainly with Ar shielding gas. INERTFIL 410 is mainly used for the deposition of overlays on carbon steels to resist corrosion, erosion or abraison. TIG rod with high carbon content for welding 12% Cr steels (AISI 410).