I.S. EN 28050:1993
Current
The latest, up-to-date edition.
FERRONICKEL INGOTS OR PIECES - SAMPLING FOR ANALYSIS
Hardcopy , PDF
English
01-01-1993
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Sampling of each heat at the producer's plant
4 Sampling of a lot of ingots or pieces
5 Treatment of chips
Annex A (normative) Number of small ingots to be taken
and number to be analysed
Annex B (informative) Methods for taking a sample of size
N in a supply of M items
Annex C (informative) Formulae giving the number N of ingots
or pieces to be taken to form the primary sample
Annex D (informative) Technical conditions for drilling
and milling
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