YS/T 790-2025 Active Industry standards-Non-ferrous metals

YS/T 790-2025 iridium tube

Publish Date: 2025-12-17 Implement Date: 2026-07-01 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: YS/T 790-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Precious metals and their alloys

ICS Name: Other non-ferrous metal products

Publish Date: 2025-12-17

Implement Date: 2026-07-01

Scope

This document specifies the classification and marking of iridium tubes, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and the contents of accompanying documents and order forms. This document is applicable to seamless iridium tubes used in the refractory fiber industry and the field of high-temperature crystal growth.