GB/T 3420-1982
Replaced
NB/T 20007.8-2024
Active
Industry standards-Energy
NB/T 20007.8-2024 Pressurized water nuclear power plant stainless steel - 8th edition: Seamless stainless steel tube for austenitic stainless steel used in Class 1, 2, and 3 equipment of nuclear power plant
NB/T 20007.8-2024 Pressurized water nuclear power plant stainless steel - 8th edition: Seamless stainless steel tube for austenitic stainless steel used in Class 1, 2, and 3 equipment of nuclear power plant
Basic Information
Standard Code:
NB/T 20007.8-2024
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nSteel pipes, cast iron pipes
ICS Name:
Iron pipes and steel pipes
Publish Date:
2024-09-24
Implement Date:
2025-03-24
Scope
It is suitable for use in Class 1, 2, and 3 equipment and pipelines of pressurized water reactors nuclear power plants, and is made of austenitic stainless steel seamless steel pipes with a nominal wall thickness of 1 mm to 50 mm.
Development Information
Same series standard
NB/T 20007.1-2024 Pressurized water reactor nuclear power plant stainless steel for pressure vessel equipment - Part 1: Austenitic stainless steel for forged parts used in Class 1, 2, and 3 equipment
NB/T 20007.5-2024 Pressurized water reactor nuclear power plant - Stainless steel for pressure vessel equipment - Part 5: Austenitic stainless steel plates for Class 1, 2, and 3 equipment
NB/T 20007.6-2024 Pressurized water nuclear power plant stainless steel for reactor internal components - Part 6: Austenitic stainless steel plates for reactor internals
NB/T 20007.10-2024 NB/T 20007.10-2024 Pressurized Water Reactor Nuclear Power Plant - Stainless Steel for Heat Exchanger Applications Part 10: Seamless Austenitic Stainless Steel Tubes for Class 1, 2, and 3 Heat Exchangers
NB/T 20007.14-2024 Pressurized water nuclear power plant stainless steel for pressure vessel no. 14: Stainless steel rods and profiles for austenitic stainless steel equipment in classes 1, 2, and 3 for use in pressurized water nuclear power plant vessels
NB/T 20007.15-2024 NB/T 20007.15-2024 Pressurized Water Reactor Nuclear Power Plant - Stainless Steel for Internal Components and Core Measurement Sealing Components Fasteners - Cold Work Hardening Austenitic Stainless Steel Bars
Replace the following standards
Related Standards
GB/T 3421-1982
Abolished
GB/T 3421-1982 Cast-iron pressure pipe centrifugally cast in sand-lined molds
GB/T 3422-1982
Replaced
GB/T 3422-1982 Cast-iron pressure pipe made by continuous casting process
GB/T 6483-1986
Replaced
GB/T 6483-1986 Soft mechanical joint grey cast iron pipe
GB/T 8714-1988
Replaced
GB/T 8714-1988 Grey cast iron pipes with rubber ring of ladder-lip-shaped
GB/T 8715-1988
Replaced