2015DIN EN ISO 6848:2015-12 Arc welding and cutting - Nonconsumable tungsten electrodes - Classification (ISO 6848:2015); German version EN ISO 6848:2015
DIN EN ISO 6848:2005 Arc welding and cutting - Nonconsumable tungsten electrodes - Classification (ISO 6848:2004); German version EN ISO 6848:2004 has been changed from DIN EN 26848:1991 .