NB/T 20005.13-2019 Carbon steel and low alloy steel for pressurized water reactor nuclear power plant part 13 : seamless steel tubes for heat transfer tubes of stage 2 and 3 heat exchangers (English Version)
2019NB/T 20005.13-2019 Carbon steel and low alloy steel for pressurized water reactor nuclear power plant part 13 : seamless steel tubes for heat transfer tubes of stage 2 and 3 heat exchangers
2012NB/T 20005.13-2012 Carbon steel and low alloy steel for pressurized water reactor nuclear power plants.Part 13:Seamless drawn carbon steel tubes for class 2 and 3 heat exchangers