ASTM-A439 Standard Specification for Austenitic Ductile Iron Castings

ASTM-A439 - 2018 R22 EDITION - CURRENT
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Standard Specification for Austenitic Ductile Iron Castings
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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 the standard. The values given in parentheses are for information only.

Keywords

Austenitic iron castings; Iron castings-ductile; castings-austenitic ductile iron, spec; ICS Number Code 77.140.80 (Iron and steel castings)

To find similar documents by ASTM Volume:

01.02 (Ferrous Castings; Ferroalloys)

To find similar documents by classification:

77.140.80 (Iron and steel castings)

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Document Number

ASTM-A0439_A0439M-18R22

Revision Level

2018 R22 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Oct. 10, 2022

Document Type

Specification

Page Count

7 pages

Committee Number

A04.02