ASTM B 540 – 97 International standard

Standard Specification for Palladium Electrical Contact Alloy1

This trendy is issued below the fixed designation b 540; the wide variety at once following the designation shows the 12 months of unique adoption or, within the case of revision, the year of final revision. More than a few in parentheses shows the yr of last reapproval. A superscript epsilon (e) suggests an article exchange for the reason that last revision or reapproval.
This widespread has been authorized for use through groups of the branch of defense.

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You can also get ASTM B 539 – 02e1 International standard

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