ES EL12 is a copper-coated, mild steel wire for submerged arc welding.
ES EM12 is a copper-coated, semi-killed wire for the submerged arc and electro-slag welding of medium and high strength
ES EM12K is a medium manganese-alloyed, copper-coated steel wire for submerged arc welding in medium and high-strength structural
Submerged arc welding wire ES EH14, is a kind of high-manganese type welding wire.