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

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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

Scope

This document is mainly applicable to the thermal aging sensitivity screening, condition detection, and evaluation of primary circuit pipeline components in nuclear power plants. For other equipment components made of cast austenitic stainless steel, this document can be used as a reference for implementation.