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Homepage>ASTM Standards>ASTM B0931-14R18E01 - Standard Test Method for Metallographically Estimating the Observed Case Depth of Ferrous Powder Metallurgy (PM) Parts
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Released: 2018-10-24

ASTM B0931-14R18E01

Standard Test Method for Metallographically Estimating the Observed Case Depth of Ferrous Powder Metallurgy (PM) Parts

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57.78 USD
Language:English
Released:2018-10-24
Pages:5
Standards number:ASTM B0931-14R18E01
Standard number:B0931-14R18E01
Released:01.09.2014
Status:Active
Pages:5
Section:02.05
Keywords:case depth; observed case depth; PM; powder metallurgy;
DESCRIPTION

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.

1.2 With the exception of the values for grit size for which the U.S. standard designation is the industry standard, the values stated in SI units are to be regarded as standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.