WB309LM Stainless Steel MIG Welding Wire
309L stainless steel, solid MIG wire. WB309LM 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 weld used largely for pressure vessel fabrications. For cladding it deposits a 308 type deposit on carbon steel and can be followed by 307 weld metal. 8-20FN range.
AWS A5.9-81 : ER309LSi
BSEN12072-00 : G23 12L Si