ASTM-B244 2021

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B244-09(2021) Standard Test Method for Measurement of Thickness of Anodic Coatings on Aluminum and of Other Nonconductive Coatings on Nonmagnetic Basis Metals with Eddy-Current Instruments

Published By	Publication Date	Number of Pages
ASTM	2021	4

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Categories: 17.040.20 - Properties of surfaces, ASTM

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Description

ASTM B244-09-Reapproved2021

Active Standard: Standard Test Method for Measurement of Thickness of Anodic Coatings on Aluminum and of Other Nonconductive Coatings on Nonmagnetic Basis Metals with Eddy-Current Instruments

ASTM B244

Scope

1.1 This test method covers the use of eddy-current instruments for the nondestructive measurement of the thickness of a nonconductive coating on a nonmagnetic basis metal. It is intended to supplement manufacturers’ instructions for the operation of the instruments and is not intended to replace them.

1.2 This test method is particularly useful for measuring the thickness of an anodic coating on aluminum alloys. Chemical conversion coatings are too thin to be measured by this test method.

1.3 The values stated in SI units are to be regarded as the 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 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.

Keywords

coating thickness; coatings; eddy current; nonconductive coatings; thickness; thickness testing; nondestructive thickness; anodic coatings;

ICS Code

ICS Number Code 17.040.20 (Properties of surfaces)

DOI: 10.1520/B0244-09R21

Additional information

Standard Title	B244-09(2021) Standard Test Method for Measurement of Thickness of Anodic Coatings on Aluminum and of Other Nonconductive Coatings on Nonmagnetic Basis Metals with Eddy-Current Instruments
Published Code	ASTM
Publication Date	2021
Pages Count	4
ICS Codes	17.040.20 - Properties of surfaces