Work Item
ASTM WK81622
Revision of B931-14(2018)e1 Standard Test Method for Metallographically Estimating the Observed Case Depth of Ferrous Powder Metallurgy (PM) Parts
Rationale
This standard is due for periodic review. The appendix on sample preparation is being deleted and reference made to MPIF Standard 70 - Sample Preparation of Ferrous Powder Metallurgy (PM) Materials for Cross-Sectional Metallographic Evaluation.
Work Item Status
Date Initiated: 04-25-2022
Technical Contact: W Brian James