PRODUCT INFORMATION Category: Stainless Steel Wire Alloy: WW308L Class: ER308L Description: ER308L has the same analysis as type 308 except the carbon content has been held to a maximum of .03% to reduce the possibility of intergranular carbide precipitation. Ideal for welding Types 304L, 321, and 347 stainless steels. This is a suitable wire for applications at cryogenic temperatures. Chemical Composition C 0.03 max Cr 19.5-22.0 Ni 9.0-11.0 Mn 1.0-2.5 Si 0.30-0.65 P 0.03 max S 0.03 max Mo 0.75 max Cu 0.75 max