ASTM G46-94(2018) - 1.10.2018
 
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, 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.

 
2. Referenced Documents

G15-08

Standard Terminology Relating to Corrosion and Corrosion Testing (Withdrawn 2010)

G16-13(2019)

Standard Guide for Applying Statistics to Analysis of Corrosion Data

NACE RP-01-73

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

E3-11(2017)

Standard Guide for Preparation of Metallographic Specimens

G1-03(2017)e1

Standard Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens (Includes all amendments and changes 12/8/2017).