Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 18, Part 4American Society of Mechanical Engineers, 1999 - Arctic regions |
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Page 157
... heat input during repair welding on in - service pipelines . The welding experiments of bead - on - plate weld confirmed the influence of plate thickness , heat input and welding process on safety . From the results of the mechanical ...
... heat input during repair welding on in - service pipelines . The welding experiments of bead - on - plate weld confirmed the influence of plate thickness , heat input and welding process on safety . From the results of the mechanical ...
Page 158
... Heat input ( kJ / cm ) 20.7 20.3 19.1 32.0 18.3 18.6 GTAW Voltage ( V ) 20 21 21 21 23 23 24 24 25 23 24 22 Current ( A ) 204 200 198 205 219 225 223 226 232 218 214 203 Welding speed ( cm / min . ) Heat input ( kJ / cm ) 316 186 157 ...
... Heat input ( kJ / cm ) 20.7 20.3 19.1 32.0 18.3 18.6 GTAW Voltage ( V ) 20 21 21 21 23 23 24 24 25 23 24 22 Current ( A ) 204 200 198 205 219 225 223 226 232 218 214 203 Welding speed ( cm / min . ) Heat input ( kJ / cm ) 316 186 157 ...
Page 159
... heat input on the basis of the depth of HAZ . Allowable heat input ( kJ / cm ) 29.5 Table 4. Tensile properties of API 5L X65 pipeline material. 30.2kJ / cm for GTAW . Although a great deal of scatter is present , the trend of increasing ...
... heat input on the basis of the depth of HAZ . Allowable heat input ( kJ / cm ) 29.5 Table 4. Tensile properties of API 5L X65 pipeline material. 30.2kJ / cm for GTAW . Although a great deal of scatter is present , the trend of increasing ...
Contents
PIPELINE RELIABILITY AND LIMIT STATES DESIGN | 1 |
DESIGN OF PIPELINES AND RISERS | 5 |
OMAE99PIPE5019 | 21 |
Copyright | |
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analysis applied Arctic Engineering ASME assessment autoclave axial force bending buckling calculated capacity Conference On Offshore Copyright corrosion corrosion defect crack defined deformation dent depth Det Norske Veritas developed diameter discrete displacement vector effect equation failure modes failure probability Figure finite element finite element analysis fracture friction function fuzzy logic gasket geotechnical engineering GTAW hoop stress hot tap tee InSAR installation internal pressure jumper length Limit State Design load longitudinal MANAVGAT material maximum measured Mechanics and Arctic modal displacement neural networks node Offshore Mechanics operating pressure ovalisation parameters Petrobras pipe material pipe wall pipeline design Pipeline Systems plastic reliability riser risk run pipe saddle safety class seabed simulation SMAW SMYS specimens stinger strain stress Table Technology temperature tensile test scheme uprating valve wall thickness yield strength ας მთ მი მს