GB 6249-1986
Replaced
GB/T 16702.2-2025
Active
National standards
GB/T 16702.2-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 2:Class 1 components
GB/T 16702.2-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 2:Class 1 components
Basic Information
Standard Code:
GB/T 16702.2-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Nuclear reactors and nuclear island equipment in nuclear power plants
ICS Name:
Nuclear power stations, safety
Publish Date:
2025-02-28
Implement Date:
2025-02-28
Pages:
172 pages
Scope
This document specifies the requirements for materials, design, manufacturing, inspection, and overpressure protection of Class 1 pressure-bearing equipment in the nuclear island of pressurized water reactor nuclear power plants, and describes the corresponding tests.
This document applies to the design of Class 1 pressure-bearing equipment and its components as specified in Chapter 5 of GB/T 16702.1-2025.
Development Information
Same series standard
GB/T 16702.1-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 1:General principle
GB/T 16702.3-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 3:Class 2 components
GB/T 16702.4-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 4:Class 3 components
GB/T 16702.5-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 5:Small components
GB/T 16702.6-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 6:Reactor vessel internals
GB/T 16702.7-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 7:Supports
GB/T 16702.8-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 8:Low pressure or atmospheric storage tanks
Replace the following standards
Referenced Standards
NB/T 20008.8-2012 NB/T 20008.8-2012 Other Materials for Pressurized Water Nuclear Power Plant - Part 8: Nickel-chromium-iron alloy hot extruded tube for nuclear power plant
NB/T 20008.8-2024 Other Materials for Pressurized Water Nuclear Power Plant - Part 8: Nickel-base Corrosion Resistant Alloy Tubes
NB/T 20008.9-2012 The use of other materials for pressurized water reactor nuclear power plants - Part 9: Nickel-chromium-iron alloy hot-rolled or hot-extruded rods
NB/T 20008.9-2024 Other Materials for Pressurized Water Reactor Nuclear Power Plants - Part 9: Nickel-based Corrosion Resistant Alloy Rods
NB/T 20008.11-2013
NB/T 20008.11-2024 Pressurized water reactor nuclear power plant - Other materials used for supporting and connecting parts - Part 11: Rolled and forged bars for support and connection parts
NB/T 20008.13-2013 Other Materials for Pressurized Water Reactor Nuclear Power Plants - Part 13: Bolts, screws, bolts, screws, rods and nuts for Class 1, 2 and 3 applications
NB/T 20008.14-2013 Other Materials for Pressurized Water Nuclear Power Plant - Part 14: Nickel-chromium-iron alloy spring wires
NB/T 20008.27-2017 Other Materials for Pressurized Water Nuclear Power Plant - Part 27: ZCoCr29W4.5 Castings for Control Rod Drive Mechanism
NB/T 20008.32-2017 NB/T 20008.32-2017 Other Materials for Pressurized Water Nuclear Power Plant - Part 32: NS3306 Alloy Sheet and Strip for Control Rod Drive Mechanism
NB/T 20008.35-2018 The following is a translation of "Other Materials for Pressurized Water Nuclear Power Plant - Part 35: NS3105 Alloy C-shaped Tubes for Passive Residual Heat Removal Heat Exchanger": Other materials for use in pressurized water nuclear power plants - Part 35: NS3105 alloy C-shaped tubes for passive residual heat removal heat exchangers
NB/T 20008.38
NB/T 20009.1-2010 Pressurized water reactor nuclear power plant welding materials - Part 1: Carbon steel welding rods for Class 1, 2, and 3 equipment
NB/T 20009.2-2010 Welding Materials for Pressurized Water Reactor Nuclear Power Plants - Part 2: Low Alloy Steel Welding Electrodes for Class 1, 2, and 3 Equipment
NB/T 20009.3-2010 Pressurized water nuclear power plant welding materials - Part 3: Stainless steel welding rods for Class 1, 2, and 3 equipment in nuclear power plants
NB/T 20009.4-2013 Welding Materials for Pressurized Water Reactor Nuclear Power Plants - Part 4: Nickel-based alloy electrodes for Class 1, 2, and 3 equipment in nuclear power plants
NB/T 20009.5-2013 Pressurized water nuclear power plant welding materials - Part 5: Carbon steel gas-shielding arc welding wire for Class 1, 2, and 3 equipment in the welding of pressurized water nuclear power plant. (Note: This is a Chinese translation.)
NB/T 20009.6-2012 The welding materials for pressurized water reactor nuclear power plants - Part 6: Carbon steel gas shielding electric arc welding wire for Class 1, 2 and 3 equipment in the welding of pressure water reactor nuclear power plants
NB/T 20009.7-2012 Pressurized water nuclear power plant welding materials - Part 7: Stainless steel welding wire and filler wire for Class 1, 2, and 3 equipment in the welding of nuclear power plant
NB/T 20009.8-2012 Welding Materials for Pressurized Water Reactor Nuclear Power Plants - Part 8: Nickel-based alloys for welding and filler wires for Class 1, 2, and 3 equipment in nuclear power plants
NB/T 20009.9-2013 Welding Materials for Pressurized Water Reactor Nuclear Power Plants - Part 9: Carbon Steel Welding Wire and Welding Flux for Submerged-Arc Welding of Class 1, 2, and 3 Equipment
NB/T 20009.10-2013 Nuclear power plant welding materials for pressurized water reactors - Part 10: Low alloy steel welding wire and welding flux for Class 1 equipment submerged arc welding
NB/T 20009.11-2013 Welded Materials for Pressurized Water Nuclear Power Plant - Part 11: Stainless Steel Welding Rod and Welding Materials for Underground Soldering of Class 1, 2, and 3 Equipment
NB/T 20009.12-2013 NB/T 20009.12-2013 Welding Materials for Pressurized Water Nuclear Reactor Power Plant - Part 12: Nickel-based alloy welding strips and fluxes for surface welding of Class 1 equipment
NB/T 20009.13-2013 Welding Materials for Pressurized Water Reactor Nuclear Power Plants - Part 13: Stainless Steel Welds for Class 1, 2, and 3 Equipment - Welding Belts and Welding Media
NB/T 20009.14-2013 Pressurized water nuclear power plant welding materials - Part 14: Tungsten carbide surface welding materials for Class 1, 2, and 3 equipment in nuclear power plants
NB/T 20009.21-2014 NB/T 20009.21-2014 Welding Materials for Pressurized Water Nuclear Power Plant - Part 21: Carbon Steel Hand-welding Electrodes for Safety-Grade Equipment
NB/T 20009.22-2015 Pressurized water reactor nuclear power plant welding materials - Part 22: Low alloy steel manual arc welding electrodes for safety-level equipment
NB/T 20009.23-2017 Pressurized water nuclear power plant welding materials - Part 23: Stick welding electrodes for stainless steel used in safety-level equipment for nuclear power plants
NB/T 20009.24-2015 Pressurized water reactor nuclear power plant welding materials - Part 24: Nickel-based alloys manual arc welding electrodes for safety-level equipment
NB/T 20009.25-2014 NB/T 20009.25-2014 Welding Materials for Pressurized Water Nuclear Power Plant - Part 25: Carbon Steel Gas-shielded Arc Welding Fiber-cored Welding Wire for Safety-level Equipment
NB/T 20009.26-2014 Welding Materials for Pressurized Water Reactor Nuclear Power Plants - Part 26: Carbon Steel Gas Shielding Electro-Arc Welding Wire for Safety-Grade Equipment
NB/T 20009.27-2017 Pressurized water nuclear power plant welding materials - Part 27: Stainless steel welding wire for safety-level equipment
NB/T 20009.28-2015 Welding Materials for Pressurized Water Reactor Nuclear Power Plants - Part 28: Nickel-based alloys for safety-level equipment welding wires
NB/T 20009.29-2014 NB/T 20009.29-2014 Welding Materials for Nuclear Power Plants Part 29: Carbon Steel Welding Wire and Welding Solder for Under-Scaffold Welding of Safety-Grade Equipment
NB/T 20009.30-2017 Pressurized water nuclear power plant welding materials - Part 30: Low alloy steel welding wire and welding flux for safety class 1 equipment arc welding
NB/T 20009.31-2017 Pressurized water nuclear power plant welding materials - Part 31: Safety-grade equipment stainless steel welder's tape and welding flux for surface welds
NB/T 20009.32-2018 Welding Materials for Pressurized Water Reactor Nuclear Power Plants - Part 32: Gas-shielding welding wire for low alloy steel
NB/T 20009.33-2015 Pressurized water nuclear power plant welding materials - Part 33: Stainless steel welding wire and flux for in-service arc welding of safety-related equipment
NB/T 20009.34-2017 Pressurized water nuclear power plant welding materials - Part 34: Nickel-based alloys for safety-level equipment welding strips and fluxes for surface welds
NB/T 20009.35-2014
NB/T 20009.36-2018 Welded materials for pressurized water reactor nuclear power plants - Part 36: Gas shielded welding wire for steel containment vessel
NB/T 20010.9-2010 PWR nuclear power plant valve-Part 9:Final examination and test in manufactory
NB/T 20036.6-2011 Nuclear Power Plant Mechanical Equipment Inspection Part 6: Valve Component Inspection
HAF 602-2019
HAF 603-2019
ASME B16.5-1988+1992
ASME B16.9-1993
ASME B16.11-1991
ASME B16.25-1992
ASME B16.28-1994
ASME B36.10-2004
ASME B36.19-1985
Related Standards
GB/T 12726.1-1991
Replaced
GB/T 12726.1-1991 Radiation monitoring equipment for accident and post-accident conditions in nuclear power plants—Part 1:General requirements
GB/T 13178-1991
Replaced
GB/T 13178-1991 Partially depleted gold silicon surface barrier detectors
GB/T 13180-1991
Replaced
GB/T 13180-1991 G-M counter tubes for detecting γ radiation
GB/T 13182-1991
Replaced
GB/T 13182-1991 Scintillation detectors of sodium iodide (thallium)
GB/T 12726.2-1991
Replaced