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ASTM G41-90(2000)

Historical Reaffirmation

Standard Practice for Determining Cracking Susceptibility of Metals Exposed Under Stress to a Hot Salt Environment

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1.1 This practice covers procedures for testing metals for embrittlement and cracking susceptibility when exposed under stress to a hot salt environment. This practice can be used for testing all metals for which service conditions dictate the need for such information. The test procedures described herein are generally applicable to all metal alloys; required adjustments in environmental variables (temperature, stress) to characterize a given materials system should be made. This practice describes the environmental conditions and degree of control required, and suggests means for obtaining this desired control.

1.2 This practice can be used both for alloy screening for determination of relative susceptibility to embrittlement and cracking, and for the determination of time-temperature-stress threshold levels for onset of embrittlement and cracking. However, certain specimen types are more suitable for each of these two types of characterizations.

Note 1-This practice relates solely to the performance of the exposure test. No detailed description concerning preparation and analysis of specimen types is offered. However, the optimum sample design may be one that uses the same type of stress encountered in service loading situations. Standards describing principal types of stress corrosion specimens, their preparation, and analysis, include Practices G30, G38, and G39.

1.3 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 and health practices and determine the applicability of regulatory limitations prior to use. (For more specific safety hazard statements see Section 8.)


SDO ASTM: ASTM International
Document Number G41
Publication Date May 10, 2000
Language en - English
Page Count 5
Revision Level 90(2000)
Supercedes
Committee G01.06
Publish Date Document Id Type View
Nov. 1, 2024 G0041-24 Revision
Oct. 1, 2018 G0041-90R18 Reaffirmation
May 1, 2013 G0041-90R13 Reaffirmation
Nov. 1, 2006 G0041-90R06 Reaffirmation
May 10, 2000 G0041-90R00 Reaffirmation