ASTM A469/A469M-07

    Standard Specification for Vacuum-Treated Steel Forgings for Generator Rotors


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    1. Scope

    1.1 This specification covers vacuum-treated basic electric steel forgings for generator rotors.

    1.2 Supplementary requirements are provided, both in this standard and in Specification A 788/A 788M, for use when additional testing, inspection or processing is required by the purchaser.

    1.3 The values stated in either inch-pound or SI (metric) units are to be regarded separately as standards. Within the text and tables, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other. Combining values from the two systems may result in nonconformance with the specification.

    1.4 Unless the order specifies the applicable "M" specification designation, the material shall be furnished to the inch-pound units.


    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

    A275/A275M Practice for Magnetic Particle Examination of Steel Forgings

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

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A418/A418M Practice for Ultrasonic Examination of Turbine and Generator Steel Rotor Forgings

    A773/A773M Test Method for dc Magnetic Properties of Materials Using Ring and Permeameter Procedures with dc Electronic Hysteresigraphs

    A788/A788M Specification for Steel Forgings, General Requirements


    ICS Code

    ICS Number Code 77.140.85 (Iron and steel forgings)

    UNSPSC Code

    UNSPSC Code 31132100(Steel forgings)


    Referencing This Standard

    DOI: 10.1520/A0469_A0469M-07

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM A469 / A469M-07, Standard Specification for Vacuum-Treated Steel Forgings for Generator Rotors, ASTM International, West Conshohocken, PA, 2007, www.astm.org

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