TIG Stainless steel filler metal 308L in rods for welding austenitic stainless steels without molybdenum (304, 304L, 321, 347). Classification: AWS A5.9 : ER 308L EN ISO 14343-A: W 19 9 L Applications: Pipes, structures with thicknesses of 3mm or less and for penetration passes. For use with assemblies preheated to temperatures less than 350°C.