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    ASTM A991/A991M-98

    Standard Test Method for Conducting Temperature Uniformity Surveys of Furnaces Used to Heat Treat Steel Products


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    1. Scope

    1.1 This test method covers the procedures used to conduct a temperature uniformity survey on a furnace used to heat treat steel products. This method is used to determine the capability of the furnace to meet the permissible temperature variation specified in the applicable product specification, or as agreed to by the purchaser and supplier of heat treat services. Survey documentation requirements, and the procedure used to subsequently establish the furnace working zone, are defined in this test method.


    ICS Code

    ICS Number Code 25.200 (Heat treatment)

    UNSPSC Code

    UNSPSC Code 23281603(Heat treating age hardening furnace )


    Referencing This Standard

    DOI: 10.1520/A0991_A0991M-98

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    Citation Format

    ASTM A991 / A991M-98, Standard Test Method for Conducting Temperature Uniformity Surveys of Furnaces Used to Heat Treat Steel Products, ASTM International, West Conshohocken, PA, 1998, www.astm.org

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