Standard Specification for
Magnetic Particle Examination of Large Crankshaft
Forgings1
This standard is issued under the fixed designation A 456/A 456M; 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 A 456/A 456M – 99 (Reapproved 2003 pdf free
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click here to download Astm A 455/A 455M – 03 pdf free download