Oerlikon Carbofil CrMo2 description: CARBOFIL CrMo2 is used for welding of similar composition and 1/2Mo 1/4V and 1Cr1Mo steels. Used in the construction of steam generating plant operating at temperatures up to 600C. Also suitable for the welding of 1 1/4Cr 1/2Mo steels where improved resistance to hydrogen attack or corrosion by sulphur is required. Main applications include the welding of boilers, plates and tubes as well as oil refineries e.g. in crack plants produced from mainly 10CrMo9-10 (ASTM A335 Gr. P/T22).