GB/T 3670 Covered electordes for manual metal arc welding of copper and copper alloys*, 2021-12-31 Update
ISO 14344 Welding consumables - Procurement of filler materials and fluxes
ISO 4063 Welding, brazing, soldering and cutting — Nomenclature of processes and reference numbers*, 2023-03-07 Update
ISO 544 Welding consumables - Technical delivery conditions for filler materials and fluxes - Type of product, dimensions, tolerances and markings*, 2017-10-31 Update
ISO 6847 Welding consumables — Deposition of a weld metal pad for chemical analysis*, 2020-08-21 Update