Standard Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals1
This general is issued beneath the fixed designation b 499; the wide variety straight away following the designation indicates the yr of unique adoption or, within the case of revision, the year of last revision. Quite a number in parentheses shows the year of final reapproval. A superscript epsilon (e) indicates a piece of writing change for the reason that final revision or reapproval.
This preferred has been authorized to be used by way of companies of the department of protection.
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You can also get ASTM B 498 B 498M – 98 International standard
