Standard Test Methods for
Thickness of Diffusion Coating1
This standard is issued under the fixed designation C 664; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
Click below to download Astm C 664 – 87 (Reapproved 1999) Pdf free
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Click here to Astm C 663 – 98 (Reapproved 2003)e1 Pdf free download