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

Publish Date: 2025-02-28 Implement Date: 2025-02-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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

Word Count: 318 Thousand words Pages: 172 pages

Same series standard

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

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