Washington Alloy Co. USA 309

Specifications AWS A5.9 Class ER 309 Sizes and Packaging *2 lb. spools are packaged 40 lbs. (20 spools) per carton 2lb. spools* .023-.045 10 lb. spools .023-1/16 25 lb. spools .023-1/8 60 lb. coils .035-3/16 50 lb. bulk carton* .030-3/16 10 lb. tubes* .030-3/16 *2 lb. spools are packaged 40 lbs. (20 spools) per carton *Flag-tagging is available – please inquire. Standard wire diameter (in.): .023, .030, .035, .045, 1/16, 3/32, 1/8, 5/32, 3/16. Description USA 309 is used for welding heat resistant AISI 309 and other straight chromium grades of stainless steel where preheat and postheat treatment is not possible. USA 309 wire produces sound ductile weld deposits. Other applications would include joining stainless steel to mild or carbon steels, steel overlay work and for welding AISI 304 clad stainless.