NF EN 12070
NF EN 12070 (Welding consumables - Wire electrodes, wires and rods for arc welding of creep-resisting steels)· AFNOR NF (France) · 63 materials
NF EN 12070 (Welding consumables - Wire electrodes, wires and rods for arc welding of creep-resisting steels)· AFNOR NF (France) · 63 materials