ASTM G46 - 94(2013)

    Standard Guide for Examination and Evaluation of Pitting Corrosion

    Active Standard ASTM G46 | Developed by Subcommittee: G01.05

    Book of Standards Volume: 03.02


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    Significance and Use

    3.1 It is important to be able to determine the extent of pitting, either in a service application where it is necessary to predict the remaining life in a metal structure, or in laboratory test programs that are used to select the most pitting-resistant materials for service.

    1. Scope

    1.1 This guide covers the selection of procedures that can be used in the identification and examination of pits and in the evaluation of pitting (See Terminology G15) corrosion to determine the extent of its effect.

    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 and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E3 Guide for Preparation of Metallographic Specimens

    G1 Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens

    G15 Terminology Relating to Corrosion and Corrosion Testing

    G16 Guide for Applying Statistics to Analysis of Corrosion Data

    National Association of Corrosion Engineers Standard

    NACERP-01-73 Collection and Identification of Corrosion Products Insert in Materials Protection and Performance, Vol 12, June 1973, p. 65.


    ICS Code

    ICS Number Code 77.060 (Corrosion of metals)

    UNSPSC Code

    UNSPSC Code 41114604(Corrosion testers)


    DOI: 10.1520/G0046

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