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Current Reaffirmation

ASTM A247-67(1998)

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.

SDO ASTM: ASTM International
Document Number A247
Publication Date May 10, 1998
Language en - English
Page Count 2
Revision Level 67(1998)
Supercedes
Committee A04.21
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May 10, 1998 A0247-67R98 Reaffirmation