ASTM A1033-04

    Standard Practice for Quantitative Measurement and Reporting of Hypoeutectoid Carbon and Low-Alloy Steel Phase Transformations

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    1. Scope

    1.1 This practice covers the determination of hypoeutectoid steel phase transformation behavior by using high-speed dilatometry techniques for measuring linear dimensional change as a function of time and temperature, and reporting the results as linear strain in either a numerical or graphical format.

    1.2 The practice is applicable to high-speed dilatometry equipment capable of programmable thermal profiles and with digital data storage and output capability.

    1.3 This practice is applicable to the determination of steel phase transformation behavior under both isothermal and continuous cooling conditions.

    1.4 This practice includes requirements for obtaining metallographic information to be used as a supplement to the dilatometry measurements.

    1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    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

    E3 Guide for Preparation of Metallographic Specimens

    E112 Test Methods for Determining Average Grain Size

    E407 Practice for Microetching Metals and Alloys


    ICS Code

    ICS Number Code 77.040.99 (Other methods of testing metals)

    UNSPSC Code

    UNSPSC Code 11101704(Steel )


    DOI: 10.1520/A1033-04

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