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1.1 This specification covers castings made of compacted graphite iron, which is described as cast iron with the graphite in compacted (vermiform) shapes and essentially free of flake graphite.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 No precise quantitative relationship can be stated between the properties of iron in the various locations of the same casting and those of a test bar cast from the same iron (see Appendix X1).
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A247 Test Method for Evaluating the Microstructure of Graphite in Iron Castings
E8/E8M Test Methods for Tension Testing of Metallic Materials
Federal StandardFederalStandardNo.12 Marking for Shipment (Civil Agencies)
American National StandardMIL-STD-129 Marking for Shipment and Storage
ASTM A842-85(2009), Standard Specification for Compacted Graphite Iron Castings, ASTM International, West Conshohocken, PA, 2009, www.astm.orgBack to Top