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ASTM B850-98(2004)

Historical Reaffirmation

Standard Guide for Post-Coating Treatments of Steel for Reducing the Risk of Hydrogen Embrittlement

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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.


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.


SDO ASTM: ASTM International
Document Number B850
Publication Date April 1, 2004
Language en - English
Page Count 3
Revision Level 98(2004)
Supercedes
Committee B08.02
Publish Date Document Id Type View
Dec. 10, 1998 B0850-98 Revision
May 1, 2022 B0850-98R22 Reaffirmation
Jan. 1, 2015 B0850-98R15 Reaffirmation
Sept. 1, 2009 B0850-98R09 Reaffirmation
April 1, 2004 B0850-98R04 Reaffirmation