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.
Issue Section:
Research Papers
1.
ASME, 2004,
ASME B31.3 Process Piping Code
, ASME
, New York
.2.
ASME, 2004, Welding and Brazing Qualifications,
ASME Boiler and Pressure Vessel Code
, Section IX, ASME
, New York
.3.
ASME, 2004, Class 1 Components in Elevated Temperature Service,
ASME Boiler and Pressure Vessel Code
, Section III, Division 1, Subsection NH, ASME
, New York
.4.
Becht
, C.
, and Chen
, Y.
, 2000, “Span Limits for Elevated Temperature Piping
,” ASME J. Pressure Vessel Technol.
0094-9930, 122
(2
), pp. 121
–124
.5.
Corum
, J. M.
, 1990, “Evaluation of Weldment Creep and Fatigue Strength-Reduction Factors for Elevated-Temperature Design
,” ASME J. Pressure Vessel Technol.
0094-9930, 112
(4
), pp. 333
–339
.6.
ASME, 2004 Construction of Class 2 or Class 3 Components for Elevated Temperature Service, Section III, Division 1, Code Case N-253,
ASME Boiler and Pressure Vessel Code
, ASME
, New York
.Copyright © 2006
by American Society of Mechanical Engineers
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