Oerlikon Inertfil 308H description: INERTFIL 308H is suitable for welding AISI 304H austenitic stainless steel and similar steels. It is used mainly in petrochemical industry including the fabrication of pipe and vessel. The higher carbon content results in higher strength at elevated temperatures. High carbon stainless steel wire used for AISI 304H and 308H austenitic steels. Excellent mechanical strength.