NB/T 20739-2025 Active Industry standards-Energy

NB/T 20739-2025 Nuclear power plant casting stainless steel thermal aging status detection and evaluation technology

Publish Date: 2025-12-18 Implement Date: 2026-06-18 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: NB/T 20739-2025

Standard Type: Industry 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: 2025-12-18

Implement Date: 2026-06-18

Publisher: 国家能源局

Technical Committee: 中国核电发展中心

Scope

本文件主要适用于核电厂一回路管道部件热老化敏感性筛选、状态检测和评估工作，其它设备部件用铸造奥氏体不锈钢可参考本文件执行。

Development Information

Drafting Units:

生态环境部核与辐射安全中心、中核武汉核电运行技术股份有限公司、苏州热工研究院有限公司、大亚湾核电运营管理有限责任公司

Drafting Persons:

吕云鹤、马若群、肖青山、余伟炜、初起宝、陈银强、李仲勋、侯春林、王春辉、彭群家、孙柳烨、王仪美、曾珍、史芳杰、车树伟、安英辉、肖调兵、王勇、白欢欢、慎英才、刘向兵、贾文清

Related Standards

GB 6249-1986 Replaced

GB 6249-1986 Regulations for environmental rediation protection of nuclear power plant

Publish Date: 1986-04-23

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

Publish Date: 1991-02-07

GB/T 13178-1991 Replaced

GB/T 13178-1991 Partially depleted gold silicon surface barrier detectors

Publish Date: 1991-04-11

GB/T 13180-1991 Replaced

GB/T 13180-1991 G-M counter tubes for detecting γ radiation

Publish Date: 1991-04-11

GB/T 13182-1991 Replaced

GB/T 13182-1991 Scintillation detectors of sodium iodide (thallium)

Publish Date: 1991-04-11

GB/T 12726.2-1991 Replaced

GB/T 12726.2-1991 Radiation monitoring equipment for accident and post-accident conditions in nuclear power plants—Part 2:Specific requirements for equipment for continuously monitoring radioactive noble gases in gaseous effluents

Publish Date: 1991-09-03