NB/T 20009.23-2017 Welding consumables for pressurized water reactor nuclear power plants Part 23: Stainless steel manual arc welding electrodes for safety grade equipment (English Version)
2021NB/T 20009.3-2021 Welding consumables for pressurized water reactor nuclear power plants Part 3: Stainless steel electrodes
2017NB/T 20009.23-2017 Welding consumables for pressurized water reactor nuclear power plants Part 23: Stainless steel manual arc welding electrodes for safety grade equipment