The ASTM G124-18 standard published by the American Testing and Materials Organization (ASTM) defines test devices for determining the minimum test gas pressure and sample temperature that supports self-sustaining combustion, and the rate of regression of the melting surface of a standard metallic material sample fired using a promoter. methods are explained.
The data obtained from this test method are dependent on the precise test specimen configuration and provide a basis for comparing the combustion properties of metallic materials. It does not establish any criteria for correlating this data to the suitability of a material's use in any real-world system.
Requirements for apparatus suitable for this test method are provided with an example. However, the use of this example is not mandatory. This test method is for gaseous oxygen or an inert diluent mixture with any oxygen at any pressure or temperature within the capabilities of the apparatus used.
The standard test method briefly described here allows comparison of the combustion properties of various metallic materials. The combustion characteristics considered are:
An oxygen-enriched atmosphere is defined as any atmosphere in which the oxygen concentration exceeds 21 percent by volume or the partial oxygen pressure exceeds 160 millimeters of mercury, or both. The fire hazard level of an oxygen-enriched atmosphere varies depending on the oxygen concentration present, the diluent gas, and the total pressure. The most common risks in oxygen-enriched atmospheres are fire hazards arising from increased partial oxygen pressure or the absence of the diluent effect of an inert gas. However, an oxygen-enriched atmosphere, by definition, does not inherently pose an increased fire hazard. Certain oxygen-enriched atmospheres exhibit combustion-promoting properties similar to ambient air.
Among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors, our organization also provides standard testing services for the determination of the combustion behavior of metallic materials in oxygen-enriched atmospheres, within the scope of ASTM G124-18 standard, with its trained and expert staff and advanced technological equipment. .
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