ASTM B931-23 82 PDF Download
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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- This product is unavailable in Russia, Ukraine, Belarus
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