ASTM-G46 2021(Redline)

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G46-21 Standard Guide for Examination and Evaluation of Pitting Corrosion (Redline)

Published By	Publication Date	Number of Pages
ASTM	2021

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Category: ASTM

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Description

ASTM G46-21

Redline Standard: Standard Guide for Examination and Evaluation of Pitting Corrosion

ASTM G46

Scope

1.1 This guide covers the selection of procedures that can be used in the examination and evaluation of pitted metals. These procedures include both nondestructive and destructive approaches.

1.2 The procedures covered in this guide include those that may be used in laboratory evaluations of corroded metal specimens and field examinations and inspections.

1.3 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.

1.3.1 Exception—In X1.2.1, mils per year (MPY) are regarded as standard for the target corrosion rate.

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

extreme value statistics; metal penetration; metallographic examination; nondestructive inspection; pit density; pit depth; pit morphology; pitting corrosion; profilometry; visual inspection;

ICS Code

ICS Number Code 77.060 (Corrosion of metals)

DOI: 10.1520/G0046-21

Additional information