ASTM-G58 Standard Practice for Preparation of Stress-Corrosion Test Specimens for Weldments

ASTM-G58 - 1985 R15 EDITION - CURRENT
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Standard Practice for Preparation of Stress-Corrosion Test Specimens for Weldments
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Scope

1.1 This practice covers procedures for the making and utilization of test specimens for the evaluation of weldments in stress-corrosion cracking (SCC) environments.

1.2 Test specimens are described in which (a) stresses are developed by the welding process only, (b) stresses are developed by an externally applied load in addition to the stresses due to welding, and (c) stresses are developed by an externally applied load only with residual welding stresses removed by annealing.

1.3 This practice is concerned only with the welded test specimen and not with the environmental aspects of stress-corrosion testing. Specific practices for the bending and loading of test specimens, as well as the stress considerations involved in preparation of C-rings, U-bend, bent-beam, and tension specimens are discussed in other ASTM standards.

1.4 The actual stress in test specimens removed from weldments is not precisely known because it depends upon the level of residual stress from the welding operation combined with the applied stress. A method for determining the magnitude and direction of residual stress which may be applicable to weldment is described in Test Method E837. The reproducibility of test results is highly dependent on the preparation of the weldment, the type of test specimen tested, and the evaluation criteria used. Sufficient replication should be employed to determine the level of inherent variability in the specific test results that is consistent with the objectives of the test program.

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 and health practices and determine the applicability of regulatory limitations prior to use. (For more specific safety hazards information, see Section 7.)

Keywords

elastic; plastic strain; precracked specimens; residual stresses; smooth specimens; stress-corrosion cracking; weld heat-affected zone; welding considerations ;; ICS Number Code 25.160.40 (Welding joints and welds)

To find similar documents by ASTM Volume:

03.02 (Corrosion of Metals; Wear and Erosion)

To find similar documents by classification:

25.160.40 (Welded joints and welds Including welding position and mechanical and non-destructive testing of welded joints)

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Document Number

ASTM-G58-85(2015)

Revision Level

1985 R15 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Dec. 1, 2015

Document Type

Practice

Page Count

8 pages

Committee Number

G01.06