NF A81-354*NF EN ISO 17634:2015 Welding consumables - Tubular cored electrodes for gas shielded metal arc welding of creep-resisting steels - Classification
2015NF A81-354*NF EN ISO 17634:2015 Welding consumables - Tubular cored electrodes for gas shielded metal arc welding of creep-resisting steels - Classification