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ISO/NP 26507 Corrosion of metals and alloys----Method for high temperature gaseous corrosion test of metallic materials in aggressive gases

Source:
ISO
Committee:
ISENFE/8 - Corrosion of metals and alloys
Categories:
Information management | Standardization. General rules
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Scope

This international standard specifies the method for quantitatively evaluating the degree of corrosion of metallic materials exposed to high-temperature aggressive gases.

Purpose

High-temperature materials are widely used in various aggressive gas environments such as those encountered in power generation, gas turbines, and chemical process equipment. For proper evaluation of their high-temperature corrosion resistance and lifetime, it is essential to assess corrosion behavior in multiple mixed-gas systems that reflect practical service conditions. However, corrosion behavior is strongly influenced by factors such as gas composition, concentration, and mixing method. Therefore, a standardized corrosion testing procedure is required to ensure consistent and reliable evaluation of corrosion resistance in heat-resistant materials. Establishing such a standard will contribute to improving the comparability of test data, facilitating material selection, and enhancing the reliability of high-temperature components

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