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1.1 This practice covers procedures for conducting cyclic humidity exposures with a corrosive dip.2 It sets forth the conditions required in cyclic humidity testing.

1.2 This practice does not prescribe the type of exposure specimen or exposure periods nor the interpretation to be given to the results.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to consult and establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

3.1 The procedure described is used to observe the behavior of steels under exposure conditions that retard the formation of a protective type of rust. It is also used to evaluate seal coat on insulation.

3.2 This practice should not be used to rank steels that form a protective type of rust under atmospheric exposure conditions.