NB/T 20006.21-2024 Active Industry standards-Energy

NB/T 20006.21-2024 The alloy steel for pressurized water reactor nuclear power plants - Part 21: Manganese-nickel-molybdenum alloy steel for integral bottom head of reactor pressure vessel

NB/T 20006.21-2024 The alloy steel for pressurized water reactor nuclear power plants - Part 21: Manganese-nickel-molybdenum alloy steel for integral bottom head of reactor pressure vessel

Publish Date: 2024-12-25 Implement Date: 2025-06-25 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: NB/T 20006.21-2024

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: \nSteel pipes, cast iron pipes

ICS Name: Special-purpose pipe steel

Publish Date: 2024-12-25

Implement Date: 2025-06-25

Scope

It is suitable for the forged parts made of 19MnNiMo alloy steel used in the integrated bottom head of the reactor pressure vessel in pressurized water reactor nuclear power plants.

Development Information

Same series standard

NB/T 20006.1-2024 Pressurized water reactor nuclear power plant alloy steel - Part 1: Magnesium-nickel-molybdenum steel forgings for the irradiated reactor pressure vessel shell of the reactor NB/T 20006.7-2024 Pressurized water reactor nuclear power plant alloy steel - Part 7: Molybdenum-nickel-manganese steel forged components for steam generator shell NB/T 20006.9-2024 Pressurized water reactor nuclear power plant alloy steel - Part 9: Manganese-nickel-molybdenum steel forgings for steam generator water chamber head NB/T 20006.11-2024 Pressurized water reactor nuclear power plant alloy steel - Part 11: Magnesium-nickel-molybdenum steel forgings for pressure vessel shell and head NB/T 20006.14-2024 Nuclear steel alloy for pressurized water reactor plants - Part 14: Nickel-chromium-molybdenum steel forged bars for fasteners in reactor pressure vessel and reactor coolant pump components NB/T 20006.20-2024 Pressurized water nuclear power plant alloy steel - Part 20: Seamless steel pipes for main steam and feedwater pipes NB/T 20006.38-2024 The alloy steel for pressurized water nuclear power plant - Part 38: Mn-Ni-Mo steel for forged parts used in non-active back-up equipment

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