EN ISO 21952:2007 Welding consumables - Wire electrodes@ wires@ rods and deposits for gas-shielded arc welding of creep-resisting steel - Classification
2012EN ISO 21952:2012 Welding consumables - Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels - Classification
2007EN ISO 21952:2007 Welding consumables - Wire electrodes@ wires@ rods and deposits for gas-shielded arc welding of creep-resisting steel - Classification