WB7018-A1 MMA Electrode Manganese Molybdenum Higher Strength Steels
All positional, basic coated, low hydrogen electrode depositing exceptionally clean metal of radiographic quality. The addition of iron powder gives a recovery of 110% and excellent re-strike properties. Used for the welding of medium to high tensile strength steels. Widely used for welding pressure vessels, forgings and castings with excellent sub-zero toughness after tempering/post weld heat treatment.
AWS A5.5-06 : E7018-A1
~BS EN ISO 3580 : E Mo B 3 2 H5