Oerlikon Fluxinox 310 description: FLUXINOX 310 is an alloyed rutile flux cored wire for the joining of heat resistant Cr and Cr-Ni steels and cast steel. The weld metal is fully austenitic and non-scaling up to 1200C. It is not resistant to sulphur-bearing gases. FLUXINOX 310 features outstanding, almost spatter-free, welding properties with very easy slag removal, finely rippled and shiny weld beads which are free of undercut into the base metal.