AENOR UNE-EN ISO 3580:2018 Welding consumables - Covered electrodes for manual metal arc welding of creep-resisting steels - Classification (ISO 3580:2017)
2018AENOR UNE-EN ISO 3580:2018 Welding consumables - Covered electrodes for manual metal arc welding of creep-resisting steels - Classification (ISO 3580:2017)