Sold in 2-packs of ten pound spools, .035" Blue Demon ER308/ER308L is used for welding types 304, 304L, 308, and 308L stainless steels. It is very similar to type 308 but has a carbon content held to a max of .03% to avoid carbide precipitation.
ER308/ER308L can also be used for welding types 321 and 347 stainless steels and is suitable for applications at cryogenic temperatures.