ASTM E279 – 97 Method for Determination of Abrasion Resistance of Iron Ore Pellets and Sinter by the Tumbler Test

ASTM E279 – 97 test method is a comparative method intended primarily to test materials of Iron Ore for compliance with compositional specifications or monitoring. This test method monitors the feed to blast furnaces for process control. Tumbler Apparatus is used to perform this test method.... Read More

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    ASTM E279 – 97 test method covers a relative measure of the resistance of iron ore pellets and sinter to degradation by impact and abrasion using the Tumbler test.

    Test Procedure:

    Place the 11.3-kg (25-lb) sample into the tumbler drum. Rigidly fasten the door and rotate the drum at 24 6 1 rpm for a total of 200 revolutions. The tumbled material is removed and screened to determine the degradation.

    FIGURE 1. Tumbler Test Apparatus

    Specimen size:

    1. Pellets-Use an 11.3 ± 0.23-kg (25 ±  0.5-lb) sample of 38.1 by 6.35-mm (11⁄2 by 1⁄4-in.) pellets dried to a constant weight of 105 to 110°C.

    2. Sinter-Use a 11.3 ±  0.23-kg (25 ±  0.5-lb) sample of 50.8 by 9.51-mm (2 by 3⁄8-in.) sinter.


    The sieve analysis after the tumbler test captured to the nearest 0.1 % as the percent on the 1⁄4-in. (6.3-mm) sieve and the percent passing the No. 30 (600-μm) sieve.


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