ASTM B931-23

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1.1 A metallographic method is described for estimating the observed case depth of ferrous powder metallurgy (PM) parts. This method may be used for all types of hardened cases where there is a discernible difference between the microstructure of the hardened surface and that of the interior of the part.

Product Details

Published:
02/01/2023
Number of Pages:
3
File Size:
1 file , 63 KB
Redline File Size:
2 files , 140 KB
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