ASTM A255 - 10

    Standard Test Methods for Determining Hardenability of Steel

    Active Standard ASTM A255 | Developed by Subcommittee: A01.15

    Book of Standards Volume: 01.05

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    Significance and Use

    This test method covers the procedure for determining the hardenability of steel by the end-quench or Jominy test. The test consists of water quenching one end of a cylindrical test specimen 1.0 in. in diameter and measuring the hardening response as a function of the distance from the quenched end.

    1. Scope

    1.1 These test methods cover the identification and description of test methods for determining the hardenability of steels. The two test methods include the quantitative end-quench or Jominy Test and a method for calculating the hardenability of steel from the chemical composition based on the original work by M. A. Grossman.

    1.2 The selection of the test method to be used for determining the hardenability of a given steel shall be agreed upon between the supplier and user. The Certified Material Test Report shall state the method of hardenability determination.

    1.3 The calculation method described in these test methods is applicable only to the range of chemical compositions that follow:

    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

    E18 Test Methods for Rockwell Hardness of Metallic Materials

    E112 Test Methods for Determining Average Grain Size

    ICS Code

    ICS Number Code 77.080.20 (Steels)

    UNSPSC Code

    UNSPSC Code 11101704(SteelĀ )

    Referencing This Standard

    DOI: 10.1520/A0255-10

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM A255-10, Standard Test Methods for Determining Hardenability of Steel, ASTM International, West Conshohocken, PA, 2010,

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