Standard Historical Last Updated: Dec 02, 2015 Track Document
ASTM A439-83(2009)

Standard Specification for Austenitic Ductile Iron Castings

Standard Specification for Austenitic Ductile Iron Castings A0439-83R09 ASTM|A0439-83R09|en-US Standard Specification for Austenitic Ductile Iron Castings Standard new BOS Vol. 01.02 Committee A04
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Abstract

This specification covers austenitic ductile iron castings used for their resistance to heat, corrosion and wear. The castings shall be melt processed using cupolas, air furnaces, electric furnaces or crucible furnaces. The iron castings shall undergo magnetic permeability test. Samples taken from test coupons, broken test specimens, or castings shall conform to the required chemical compositions of carbon, silicon, manganese, phosphorus, nickel and chromium. Mechanical tests shall be performed wherein the iron casting specimens shall conform to the required values of tensile strength, yield strength, elongation and Brinell hardness.

Scope

1.1 This specification covers austenitic ductile iron castings, which are used primarily for their resistance to heat, corrosion, and wear, and for other special purposes.

1.2 Austenitic ductile iron, also known as austenitic nodular iron or austenitic spheroidal iron, is characterized by having its graphite substantially in a spheroidal form and substantially free of flake graphite. It contains some carbides and sufficient alloy content to produce an austenitic structure.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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Details
Book of Standards Volume: 01.02
Developed by Subcommittee: A04.02
Pages: 6
DOI: 10.1520/A0439-83R09
ICS Code: 77.140.80