WB309LMo-M Stainless Steel MIG Welding Wire
ER309LMo stainless steel, solid MIG wire. WB309LMo is used mainly for welding stainless steels and wrought and cast alloys to carbon steels such as 304 clad steels. This is known as a transition/dissimilar weld used largely for pressure vessel fabrications.
AWS A5.9-81 : ER309LMo
BSEN12072-00 : G23 12 2L