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SAE J2721 (MAY2023)

Recommended Corrosion Test Methods for Commercial Vehicle Components
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SAE J2721 (MAY2023)

Recommended Corrosion Test Methods for Commercial Vehicle Components

PUBLISH DATE 2023
PAGES 32
SAE J2721 (MAY2023)
This document establishes recommended practices to validate acceptable corrosion performance of metallic components and assemblies used in medium truck, heavy truck, and bus and trailer applications. The focus of the document is methods of accelerated testing and evaluation of results. A variety of test procedures are provided that are appropriate for testing components at various locations on the vehicle. The procedures incorporate cyclic conditions including corrosive chemicals, drying, humidity, and abrasive exposure. These procedures are intended to be effective in evaluating a variety of corrosion mechanisms as listed in Table 1 . Test duration may be adjusted to achieve any desired level of exposure. Aggravating conditions such as joint rotation, mechanical stress, and temperature extremes are also considered. This document does not address the chemistry of corrosion or methods of corrosion prevention. For information in these areas, refer to SAE J447 or similar standard.
SDO SAE: SAE International
Document Number J2721
Publication Date May 31, 2023
Language en - English
Page Count 32
Revision Level 202305
Supercedes
Committee
Publish Date Document Id Type View
May 31, 2023 J2721_202305 Revision
Nov. 21, 2011 J2721_201111 Revision
June 29, 2009 J2721_200906 Revision