ASTM D8034 / D8034M - 17

    Standard Test Method for Simulated Service Corrosion Testing of Non-Aqueous Engine Coolants

    Active Standard ASTM D8034 / D8034M | Developed by Subcommittee: D15.22

    Book of Standards Volume: 15.05


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    Significance and Use

    4.1 This test method, by a closer approach to engine cooling system conditions, provides better evaluation and selective screening of engine coolants than is possible from glassware testing (Test Method D7935/D7935M). The improvement is achieved by controlled circulation of the coolant, by the use of automotive cooling system components, and by a greater ratio of metal surface area to coolant volume.

    4.2 Although this test method provides improved discrimination, it cannot conclusively predict satisfactory corrosion inhibition and service life. If greater assurance of satisfactory performance is desired, it should be obtained from full-scale engine tests and from field testing in actual service.

    4.3 Significance and interpretation of the test and its limitations are discussed further in Appendix X1.

    4.4 The substitution of components in the apparatus of Section 5 is permissible if agreed upon by the contracting parties.

    1. Scope

    1.1 This test method evaluates the effect of a circulating engine coolant on metal test specimens and automotive cooling system components under controlled, essentially isothermal laboratory conditions.

    1.2 This test method specifies test material, cooling system components, type of coolant, and coolant flow conditions that are considered typical of current automotive use.

    1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Some values have only SI units because the inch-pound equivalents are not used in practice.

    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. Specific precautionary statements are given in Section 6.

    1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


    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

    D1121 Test Method for Reserve Alkalinity of Engine Coolants and Antirusts

    D1123 Test Methods for Water in Engine Coolant Concentrate by the Karl Fischer Reagent Method

    D1176 Practice for Sampling and Preparing Aqueous Solutions of Engine Coolants or Antirusts for Testing Purposes

    D1193 Specification for Reagent Water

    D1287 Test Method for pH of Engine Coolants and Antirusts

    D2570 Test Method for Simulated Service Corrosion Testing of Engine Coolants

    D7935/D7935M Test Method for Corrosion Test for Non-Aqueous Engine Coolants in Glassware

    E203 Test Method for Water Using Volumetric Karl Fischer Titration

    SAE Standard

    SAE J20e Standard for Coolant System Hoses


    ICS Code

    ICS Number Code 71.100.45 (Refrigerants and antifreezes)

    UNSPSC Code

    UNSPSC Code 25174004(Engine coolant)


    Referencing This Standard
    Link Here
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    DOI: 10.1520/D8034_D8034M-17

    Citation Format

    ASTM D8034 / D8034M-17, Standard Test Method for Simulated Service Corrosion Testing of Non-Aqueous Engine Coolants, ASTM International, West Conshohocken, PA, 2017, www.astm.org

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