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ASTM B504-90(2023)

Current Reaffirmation

Standard Test Method for Measurement of Thickness of Metallic Coatings by the Coulometric Method

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1.1 This test method covers the determination of the thickness of metallic coatings by the coulometric method, also known as the anodic solution or electrochemical stripping method.

1.2 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.

1.3 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.


4.1 Measurement of the thickness of a coating is essential to assessing its utility and cost.

4.2 The coulometric method destroys the coating over a very small (about 0.1 cm2) test area. Therefore its use is limited to applications where a bare spot at the test area is acceptable or the test piece may be destroyed.

SDO ASTM: ASTM International
Document Number B504
Publication Date May 1, 2023
Language en - English
Page Count 4
Revision Level 90(2023)
Supercedes
Committee B08.10
Publish Date Document Id Type View
May 1, 2023 B0504-90R23 Reaffirmation
Nov. 1, 2017 B0504-90R17 Reaffirmation
Oct. 1, 2011 B0504-90R11 Reaffirmation
March 1, 2007 B0504-90R07 Reaffirmation
Feb. 23, 1990 B0504-90R02 Reaffirmation
Feb. 23, 1990 B0504-90R97 Reaffirmation