DIN EN 756:2004 Welding consumables – solid wires, cored wires and wire powder combinations for submerged arc welding of unalloyed steels and fine-grain structural steels – classification
DVS 0923-3-2006 history
2006DVS 0923-3-2006 Welding performance test of flux for submerged arc welding and fillet welding suitability test
1986DVS 0923-3-1986 Test of the welding properties of fluxes for submerged arc welding; test of the qualification for fillet welding