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RESEARCH PAPERS

New Weld Joint Strength Reduction Factors in the Creep Regime in ASME B31.3 Piping

[+] Author and Article Information
Charles Becht

 Becht Engineering Co., Inc., 22 Church Street, P.O. Box 300, Liberty Corner, NJ 07938chuck@becht.com

J. Pressure Vessel Technol 128(1), 46-48 (Oct 10, 2005) (3 pages) doi:10.1115/1.2140291 History: Received July 19, 2005; Revised October 10, 2005

The 2004 edition of ASME B31.3, Process Piping Code, includes strength-reduction factors that apply to welds operating in the creep regime for the material. These factors apply to allowable stresses for sustained loads, such as weight and pressure. This paper describes the background for the rules.

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Copyright © 2006 by American Society of Mechanical Engineers
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References

Figures

Grahic Jump Location
Figure 1

Basis for weld factors (see Table 1)

Grahic Jump Location
Figure 2

Low carbon welds with higher carbon base material (see Table 1)

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