Welding consumables - Covered electrodes for manual metal arc welding of non alloy and fine grain steels - Classification; German version EN 499:1994— 8 стр.
Welding consumables - Tubular cored electrodes for gas shielded metal arc welding of creep-resisting steels - Classification; German version EN 12071:1999— 7 стр.
Welding consumables - Tubular cored electrodes for gas shielded metal arc welding of high strength steels - Classification; German version EN 12535:2000— 10 стр.