Recommended Corrosion Test Methods for Commercial Vehicle Components

Standard:
Revised:
  • 2011-11-21
 
  • CURRENT
Publisher:
  • SAE International
Pages:
32
Scope:

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.

Rationale:

The chassis test procedure has been modified to fit into a standard 8h work day. This change was made because of user requests. The verbiage for the chassis and wheel end section has been modified to improve clarity. The flowcharts for these sections has been simplified and updated to correlate with the descriptions.

History:
Standard Published Revision Status
J2721_201111 2011-11-21 Latest Revised
2009-06-29 Historical Issued
AKA:
  • SAE J 2721
Sector:
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