Bohler FOX FF-A description: Rutile electrode, core wire alloyed for welding analogous, heat resistant rolled, forged and cast steels as well as heat resistant ferritic CrSiAl steels, e.g. in annealing plants, hardening plants, steam boiler construction, the crude oil industry and the ceramics industry. For weld joints in CrSiAl steels exposed to sulphurous gases, the final layer has deposited by means of FOX FA. Scaling resistant up to +1000C. Smooth beads and easy slag removal.