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ANSI/CSA CHMC 1-2014 (R2023)
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Preface
This is the first edition of ANSI/CSA CHMC 1-2014, Test methods for evaluating material compatibility in compressed hydrogen applications - Metals. It supersedes the previous CSA CHMC 1-2012 edition published in 2012.
This Standard was prepared by the CSA Technical Advisory Group on Standards for Test Methods for Evaluating Material Compatibility in Compressed Hydrogen Applications, under the jurisdiction of the Automotive Technical Committee and the Strategic Steering Committee U.S. Advisory Council on Alternative Energy on Standards, and had been formally approved by the Technical Committee(s), and American National Standards Institute.
Scope
This standard provides uniform test methods for evaluating material compatibility with compressed hydrogen applications. The results of these tests are intended to provide a basic comparison of materials performance in applications utilizing compressed hydrogen. This standard is not intended to replace sound engineering judgment; additional testing considerations may be necessary to fully qualify the design of a component manufactured for use in certain hydrogen applications.
This standard applies to metallic materials only.
If the value for measurement as given in this standard is followed by an equivalent value in other units, the first stated value is to be regarded as the specification.
All references to pressure throughout this standard are to be considered gauge pressures, unless otherwise specified.
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