WB504-18 MMA Electrodes Chromium-molybdenum Creep-resisting Steel
Fully positional, highly basic coated, low hydrogen electrode for welding creepresisting steels. Excellent de-slag, re-strike and general welder appeal. The addition of iron powder gives a recovery of 110%. Suitable for welding 9%Cr 1%Mo creep-resisting steels. Used mainly by the power engineering industry for headers, steam piping and turbine rotors.
AWS A5.5-2006 : E8018-B8 BSEN1599-97 : ECrMo9 B 4 2 H5