ASTM A848-01

    Standard Specification for Low-Carbon Magnetic Iron


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    1. Scope

    1.1 This specification covers the requirements for wrought low-carbon iron having a carbon content of 0.015 % or less with the remainder of the analysis being substantially iron.

    1.1.1 Two alloy types are covered: Type 1 is a low-phosphorous grade and Type 2 contains a phosphorous addition to improve machinability.

    1.2 This specification also covers alloys supplied by a producer or converter in the form and condition suitable for fabrication into parts which will be subsequently heat treated to create the desired magnetic characteristics. It covers alloys supplied in the form of forging billets, hot-rolled products, and cold-finished bar, wire, and strip.

    1.3 This specification does not cover iron powders capable of being processed into magnetic components.

    1.4 This specification does not cover flat-rolled, low-carbon electrical steels.

    1.5 The values stated in customary (cgs-emu and inch-pound) units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units which are provided for information only and are not considered standard.


    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

    A34/A34M Practice for Sampling and Procurement Testing of Magnetic Materials

    A340 Terminology of Symbols and Definitions Relating to Magnetic Testing

    A341/A341M Test Method for Direct Current Magnetic Properties of Soft Magnetic Materials Using D-C Permeameters and the Point by Point (Ballistic) Test Methods

    A596/A596M Test Method for Direct-Current Magnetic Properties of Materials Using the Ballistic Method and Ring Specimens

    A726 Specification for Cold-Rolled Magnetic Lamination Quality Steel, Semiprocessed Types

    A773/A773M Test Method for Direct Current Magnetic Properties of Low Coercivity Magnetic Materials Using Hysteresigraphs

    A811 Specification for Soft Magnetic Iron Parts Fabricated by Powder Metallurgy Techniques

    A839 Specification for Iron-Phosphorus Powder Metallurgy Parts for Soft Magnetic Applications

    A904 Specification for 50 Nickel-50 Iron Powder Metallurgy Soft Magnetic Parts

    Other

    IEC Publication 60404-7 Magnetic MaterialsPart 7: Method of Measurement of the Coercivity of Magnetic Materials in an Open Magnetic Circuit Available from International Electrotechnical Commission (IEC), 3, rue de Varemb, 1st Floor, P.O. Box 131, CH-1211, Geneva 20, Switzerland, http://www.iec.ch.


    ICS Code

    ICS Number Code 77.140.40 (Steels with special magnetic properties)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/A0848-01

    Citation Format

    ASTM A848-01, Standard Specification for Low-Carbon Magnetic Iron, ASTM International, West Conshohocken, PA, 2001, www.astm.org

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