Standard Active Last Updated: Nov 12, 2020 Track Document
ASTM G202-12(2020)

Standard Test Method for Using Atmospheric Pressure Rotating Cage

Standard Test Method for Using Atmospheric Pressure Rotating Cage G0202-12R20 ASTM|G0202-12R20|en-US Standard Test Method for Using Atmospheric Pressure Rotating Cage Standard new BOS Vol. 03.02 Committee G01
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Significance and Use

3.1  The rotating cage (RC) test system is relatively inexpensive and uses simple flat specimens that allow replicates to be run with each setup. (1-11).3

3.2 The RC method can be used to evaluate either corrosion inhibitors, or materials, or both. Practice G184 describes the procedure to use rotating cage to evaluate corrosion inhibitors.

3.3 In this test method, a general procedure is presented to obtain reproducible results using RC to simulate the effects of different types of coupon materials, inhibitor concentrations, oil, gas and brine compositions, temperature, and flow. Oil field fluids may often contain sand; however, this test method does not cover erosive effects that occur when sand is present.


1.1 This test method covers a generally accepted procedure to conduct the rotating cage (RC) experiment under atmospheric pressure.

1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.3 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 establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 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.

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Book of Standards Volume: 03.02
Developed by Subcommittee: G01.05
Pages: 5
DOI: 10.1520/G0202-12R20
ICS Code: 77.060