➜ En 1011 2 2003 Recommendations British Standard Welding — Recommendations For Welding Of Metallic Materials Api Asme Workbook
➜ Aws A5.9 A5.9M 2017 Weld İng Consumables—Wi Re E Lectrodes , Strip E Lectrodes , Wi Res , And Rods For Arc Weld İng Of Stain Less And Heat Res İsting Steels Apiasme Workbook
➜ Aws A5.14 A5.14M (2011) Specification For Nickel And Nickel-Alloy Bare Welding Electrodes And Rods Apiasme Workbook