YS/T 221-2011Beryllium metal pebbles (English PDF)
金属铍珠
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
December 20, 2011
Implementation date
July 1, 2012
Scope
YS/T 221-2011 is the English-translated version of 金属铍珠.
YS/T 221-2011 — This standard specifies the beryllium metal beads requirements, test methods, inspection rules and signs, packaging, transportation, storage, quality certificate and contract (Or orders) content.
This standard applies to beryllium fluoride magnesium thermal reduction process was beryllium metal beads.
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Document preview — YS/T 221-2011
National Standard of the People's Republic of China
- ICS
- 77.150.99
- Classification
- H 64
- Replacing
- YS/T 221-1994
Issued by: Ministry of Industry and Information Technology
Contents
- What this standard covers1
- Document data2
- Standards quoted by this document3
What this standard covers
This standard specifies the requirements for beryllium metal beads, test methods, inspection rules and signs, packaging, transport, storage, quality certificate and contract (or order form) content. This standard applies to beryllium fluoride, magnesium thermal reduction method were beryllium metal beads.
Document data
International classification (ICS): 77.150.99.
Chinese classification (CCS): H64.
Estimated length of the Chinese original: 6,687 words.
Supersedes the earlier edition YS/T 221-1994.
Standards quoted by this document
GJB 2513A-2008
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.
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