BS 4490:1969
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Methods for the determination of the austenitic grain size of steel
Hardcopy
23-07-2013
English
29-08-1969
Methods, depending on steel composition, of determination by comparison with standard charts. Test piece preparation, description of methods, measurement of grain size, reporting, standard grain size charts. Appendix gives etching reagents.
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