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ASTM B797-93(2007)

Current Reaffirmation

Standard Test Method for Surface Finger-Oxide Penetration Depth and Presence of Interparticle Oxide Networks in Powder Forged (PF) Steel Parts

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1.1 This test method covers a metallographic method for determining the maximum depth of surface finger oxide penetration and the concentration of subsurface interparticle oxide networks in critical areas of powder forged steel parts.

1.2 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 and health practices and determine the applicability of regulatory limitations prior to use.


The presence of surface finger oxide penetration and interparticle oxide networks are two of the properties used to evaluate powder forged steel parts for proper processing. Maximum acceptable depths of penetration of surface finger oxide penetration and acceptable concentrations of subsurface interparticle oxide networks depend on the component and its service environment.

Results of tests may be used to qualify parts for shipment.

SDO ASTM: ASTM International
Document Number B797
Publication Date March 15, 2007
Language en - English
Page Count 4
Revision Level 93(2007)
Supercedes
Committee B09.11
Publish Date Document Id Type View
Oct. 1, 2024 B0797-24 Revision
Oct. 1, 2020 B0797-20 Revision
Oct. 1, 2015 B0797-15 Revision
March 15, 2007 B0797-93R07 Reaffirmation
Oct. 10, 2002 B0797-93R02E01 Reaffirmation
Jan. 1, 1998 B0797-93R98 Reaffirmation