ASTM A220/A220M-99(2004)

    Standard Specification for Pearlitic Malleable Iron


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    1. Scope

    1.1 This specification covers pearlitic malleable iron castings for general engineering usage at temperatures from normal ambient to approximately 750°F [400°C].

    1.1.1 For continuous service at temperatures up to 1200°F [650°C] design factors should be incorporated to compensate for possible property changes, as demonstrated by Marshall and Sommer and by Pearson.

    1.2 Without knowledge of casting geometry and process details, no quantitative relationship can be stated between the properties of the iron in the various locations of a casting and those of a test bar cast from the same iron.

    1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the test, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A247 Test Method for Evaluating the Microstructure of Graphite in Iron Castings

    A644 Terminology Relating to Iron Castings

    E8 Test Methods for Tension Testing of Metallic Materials

    E10 Test Method for Brinell Hardness of Metallic Materials

    E18 Test Methods for Rockwell Hardness of Metallic Materials

    E140 Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, and Scleroscope Hardness

    Military Standard

    MIL-STD-129 Marking for Shipment and Storage

    Federal Standard

    Fed.Std.No.123 Marking for Shipment (Civil Agencies)


    ICS Code

    ICS Number Code 77.140.80 (Iron and steel castings)

    UNSPSC Code

    UNSPSC Code 31101619(Malleable iron sand casting)


    Referencing This Standard

    DOI: 10.1520/A0220_A0220M-99R04

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM A220 / A220M-99(2004), Standard Specification for Pearlitic Malleable Iron, ASTM International, West Conshohocken, PA, 2004, www.astm.org

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