Welding Flux , welding powder, mix powder 1. 31 years Production History. 2. Cert.: JIS,CE,ABS,BV etc 9 countries, ISO9001 Stainless Steel Welding Flux AWS F6AZ-EH14 : Welding of low -carbon steel and low alloy steel for fast single way and double surface welding of thin steel sheet.such as gas storage tanks,gas bottles and pipeline steel.