KS B ISO 21952-2018 Welding consumables — Wire electrodes, wires, rods and deposits for gas-shielded arc welding of creep-resisting steels — Classification
2023KS B ISO 21952-2023 Welding consumables — Wire electrodes, wires, rods and deposits for gas-shielded arc welding of creep-resisting steels — Classification
2018KS B ISO 21952:2018 Welding consumables — Wire electrodes, wires, rods and deposits for gas-shielded arc welding of creep-resisting steels — Classification
2008KS B ISO 21952:2008 Welding consumables-Wire electrodes, wires, rods and deposits for gas-shielded arc welding of creep-resisting steels-Classification