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Database: 189759 (26 Oct 2025)
YS/T 408.4-2024 English PDF
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Standard Title (Description)
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YS/T 408.4-2024
English
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3 days [Need to translate]
(Precious metal utensils - Part 4: Iridium crucible)
Valid
YS/T 408.4-2024
Basic data
Standard ID
YS/T 408.4-2024 (YS/T408.4-2024)
Description (Translated English)
(Precious metal utensils - Part 4: Iridium crucible)
Sector / Industry
Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard
H68
Classification of International Standard
77.150.99
Date of Issue
2024-10-24
Date of Implementation
2025-05-01
Older Standard (superseded by this standard)
YS/T 564-2009
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the classification and marking, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, accompanying documents and order form contents of iridium crucibles. This standard applies to the production of artificial laser crystals and iridium crucibles produced by casting and welding for special purposes.
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