ASTM G142-98(2004)

    Standard Test Method for Determination of Susceptibility of Metals to Embrittlement in Hydrogen Containing Environments at High Pressure, High Temperature, or Both

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    1. Scope

    1.1 This test method covers a procedure for determination of tensile properties of metals in high pressure or high temperature, or both, gaseous hydrogen-containing environments. It includes accommodations for the testing of either smooth or notched specimens.

    1.2 This applies to all materials and product forms including, but not restricted to, wrought and cast materials.

    1.3 The values stated in SI units are to be regarded as the standard.

    1.4 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. See 6.1 for additional information.


    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

    D1193 Specification for Reagent Water

    E4 Practices for Force Verification of Testing Machines

    E8 Test Methods for Tension Testing of Metallic Materials

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    G15 Terminology Relating to Corrosion and Corrosion Testing

    G111 Guide for Corrosion Tests in High Temperature or High Pressure Environment, or Both

    G129 Practice for Slow Strain Rate Testing to Evaluate the Susceptibility of Metallic Materials to Environmentally Assisted Cracking

    Military Standard

    MIL-P-27201B Propellant, Hydrogen


    ICS Code

    ICS Number Code 77.040.99 (Other methods of testing metals)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/G0142-98R04

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