Oerlikon Fluxinox 309H PF description: FLUXINOX 309H PF is an alloyed rutile flux cored wire for welding of identical/similar heat-resistant steel or cast steel. Austenitic strutture with 8% of ferrite, the weld metal has a scaling temperature higher than 1000C. The controlled carbon and ferrite levels improve microstructural stability and high temperature strength. FLUXINOX 309 H exhibits outstanding, almost spatter-free, welding properties. It produces finely rippled flat and smooth welds, free of undercut into the base metal. Very easy slag removal. Suitable for welding in all positions.