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    ASTM Committee G-4 Metals Flammability Test Program: Rationale and Goals

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    When ASTM Guide for Evaluating Nonmetallic Materials for Oxygen Service (G 63) was originally published in 1980, its intent was to provide guidance in the selection of all materials for use in oxygen-enriched atmospheres. Because of the lack of comparable data on metals, the standard was revised in 1983 to pertain solely to nonmetallic materials. A literature search had revealed that existing test data on metals and alloys was performed on different test equipment, under dissimilar operating conditions, and on a limited selection of metals. The results were not comparable and, in some cases, appeared to be contradictory. To obtain comparable test data on metals in oxygen environments, a Task Force was formed by the ASTM G-4 Committee on Compatibility and Sensitivity of Materials in Oxygen-Enriched Atmospheres to develop a test program to generate data on metals ignition. The Task Force decided to use the test apparatus developed by the NASA White Sands Test Facility for evaluating metals and alloys of interest to the aerospace program. A solicitation campaign was implemented to secure industry funding for this project. This paper will discuss the development of the scope of the metals ignition testing program and the rationale conceived for selecting the metals to be tested. It states how sample materials were obtained for testing and how the test results will be handled. The actual test results will be the subject of another paper.


    ignition mechanisms, promoted combustion, frictional heating, particle impact, metals and alloys, aluminum, ranking, test program, oxygen compatibility

    Author Information:

    Cronk, JO
    Production operations manager, Airco Industrial Gases, the BOC Group, Inc., Murray Hill, NJ

    Committee/Subcommittee: G04.01

    DOI: 10.1520/STP26737S