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ASTM A247-67(1998)e1

Historical Revision

Standard Test Method for Visual Evaluation of Graphite in Iron Castings

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1.1 This test method covers the classification of graphite in cast irons in terms of type, distribution, and size. This test method is intended to be applicable for all iron-carbon alloys containing graphite particles, and may be applied to gray irons, malleable irons, and the ductile (nodular) irons.

1.2 The reference standards included in this test method are in no way to be construed as specifications. In an appropriate specification for a specific material where graphite microstructure is an important consideration this test method may be used as a reference to define concisely the graphite microstructure required.

1.3 These standards are offered primarily to permit accurate reporting of microstructures of cast irons and to facilitate the comparison of reports by different laboratories or investigators.

This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number A247
Publication Date Aug. 25, 1967
Language en - English
Page Count 2
Revision Level 67(1998)e1
Supercedes
Committee A04.21
Publish Date Document Id Type View
April 1, 2024 A0247-24 Revision
March 1, 2019 A0247-19 Revision
July 1, 2017 A0247-17 Revision
April 1, 2016 A0247-16A Revision
March 15, 2016 A0247-16 Revision
March 1, 2010 A0247-10 Revision
Nov. 15, 2006 A0247-06E01 Revision
Nov. 15, 2006 A0247-06 Revision
Aug. 25, 1967 A0247-67R98E01 Revision
May 10, 1998 A0247-67R98 Reaffirmation