T/NSZX 010-2025 Active Group standards

T/NSZX 010-2025 VIM-VAR melted 316L ultra-high purity stainless steel for electronic specialty gas delivery systems

Publish Date: 2025-09-29 Implement Date: 2025-09-29 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: T/NSZX 010-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Ophthalmic and ENT surgical instruments

ICS Name: Stainless steel

Publish Date: 2025-09-29

Implement Date: 2025-09-29

Scope

This document specifies the terms and definitions, grades and markings, and requirements for 316LVV ultra-high purity stainless steel used in electronic special gas transmission systems. It also describes the corresponding test methods and stipulates the sampling and sample quantity, marking, packaging, storage, and transportation requirements. This document applies to 316LVV ultra-high purity stainless steel rods, plates, and forgings used in vacuum induction melting (VIM) and vacuum arc remelting (VAR) dual-process production for ultra-high purity gas transmission pipes, valves, joints, cavities, and other components. Pipes and other products made from 316L ultra-high purity stainless steel melted by other processes can also be used as reference. 5.1 Chemical Composition 5.2 Dimensional Tolerances 5.3 Appearance 5.4 Microstructures 5.5 Corrosion Resistance 5.6 Mechanical Properties