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ASTM B850-98(2022)
Standard Guide for Post-Coating Treatments of Steel for Reducing the Risk of Hydrogen Embrittlement
Standard Guide for Post-Coating Treatments of Steel for Reducing the Risk of Hydrogen Embrittlement
B0850-98R22
ASTM|B0850-98R22|en-US
Standard Guide for Post-Coating Treatments of Steel for Reducing the Risk of Hydrogen Embrittlement
Standard
B850 Standard Guide for Post-Coating Treatments of Steel for Reducing the Risk of Hydrogen Embrittlement>
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Abstract
This guide covers the standard procedure of performing post-coating heat treatment of some steels for reducing susceptibility to hydrogen embrittlement or degradation that may arise in the finishing processes. This heat treatment procedure shall be used after plating operations but prior to any secondary conversion coating operation. Except for surface-hardened and shot-peened parts, the choice of embrittlement-relief heat treatment and the corresponding treatment conditions shall be selected on the basis of actual tensile strength of the steel.
Scope
1.1 This guide covers procedures for reducing the susceptibility in some steels to hydrogen embrittlement or degradation that may arise in the finishing processes.
1.2 The heat treatment procedures established herein may be effective for reducing susceptibility to hydrogen embrittlement. This heat-treatment procedure shall be used after plating operations but prior to any secondary conversion coating operation.
1.3 This guide has been coordinated with ISO/DIS 9588 and is technically equivalent.
Note 1: The heat treatment does not guarantee complete freedom from the adverse effects of hydrogen degradation.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 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.
1.6 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.