NB/T 20007.3-2021 Stainless Steel for Pressurized Water Reactor Nuclear Power Plant Part 3: Austenitic Stainless Steel Forgings for Core Support Plate and Upper Support Plate (English Version)
2021NB/T 20007.3-2021 Stainless Steel for Pressurized Water Reactor Nuclear Power Plant Part 3: Austenitic Stainless Steel Forgings for Core Support Plate and Upper Support Plate
2012NB/T 20007.3-2012 Stainless steel for pressurized water reactor nuclear power plants.Part 3:Controlled nitrogen content austenitic stainless steel forgings for core upports and upper support plates