ER308/308L is used for welding types 304,304L, 308, and 308L stainless steels. It is verysimilar to type 308, but has a carbon contentheld to a max of .03% to avoid carbideprecipitation. This product can also be usedfor welding types 321 and 347 stainlesssteels. This wire is suitable for applicationsat cryogenic temperatures.AWS Specification AWS A5.9/A5.9M:2006 AWS Classification ER308 ER308L Welding Current DCEP Typical Wire Chemistry C 0.08 Cr 19.5 - 22.0 Ni 9.0 - 11.0 Mo 0.75 Mn 1.0 - 2.5 Si 0.30 - 0.65 P 0.03 S 0.03 Cu 0.75 Typical Mechanical Properties (As Welded) Yield Strength, ksi 59 Tensile Strength, ksi 88 Elongation%, min 39 Welding Positions F,V,OH,H Available Diameters MIG withOperating Range in Amps .023" 35 - 70 .030" 50 - 100 .035" 160 - 210 .045" 180 - 250 Available Diameters TIG withOperating Range in Amps .035" 60 - 90 .045" 80 - 110 1/16" 90 - 130 3/32" 120 - 175 1/8" 150 - 220 5/32" 170 - 350
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