ASTM International - ASTM A247-67(1998)
Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings
|Publication Date:||10 May 1998|
|ICS Code (Iron and steel castings):||77.140.80|
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.