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BS 7428:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Method for estimating the average grain size of copper and copper alloys
Hardcopy , PDF
15-09-1995
English
30-04-1991
Committees responsible
National foreword
Method
1 Scope
2 Symbols and designations
3 Test samples
4 Procedures
5 Test report
Annex (normative)
A Standard grain size charts (x 75)
Tables
1 Jeffries' multipliers for area of 5 000 mm2
2 Relationships between the actual grain size of
specimens viewed at various magnifications and the
standard series of photomicrographs
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