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ASTM A997-07

Historical Revision

Standard Practice for Investment Castings, Surface Acceptance Standards, Visual Examination

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1.1 This practice covers the acceptance criteria for surface inspection of investment castings by visual examination.

1.2 The values stated in SI units are to be regarded as the standard.

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.


This practice covers the acceptance criteria for surface inspection of investment castings through visual examination. The material shall conform to Levels II, III, and IV acceptance criteria for features of surface pits, positive metal, parting line and ejector pin marks, gate height, and surface roughness. The material shall be free of any linear discontinuity.


SDO ASTM: ASTM International
Document Number A997
Publication Date March 1, 2007
Language en - English
Page Count 2
Revision Level 07
Supercedes
Committee A01.18
Publish Date Document Id Type View
Nov. 1, 2008 A0997-08 Revision
March 1, 2007 A0997-07 Revision
April 10, 2003 A0997-98R03E01 Revision
Sept. 10, 1998 A0997-98 Revision
March 1, 2018 A0997-08R18 Reaffirmation
Sept. 1, 2012 A0997-08R12 Reaffirmation
April 10, 2003 A0997-98R03 Reaffirmation