Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10, Part 5American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 95
... PWHT is performed for girth welded joint with a forged coupling , it is necessary to take into account mechanical properties after PWHT in designing steel composition because the duration in tempering by Pipe QT is short such as 3 to 5 ...
... PWHT is performed for girth welded joint with a forged coupling , it is necessary to take into account mechanical properties after PWHT in designing steel composition because the duration in tempering by Pipe QT is short such as 3 to 5 ...
Page 96
... PWHT Condition on Mechanical Properties Although the PWHT condition of 590 ° C × 1.5hr was selected in the above basic study , higher PWHT temperatures and longer durations than the values in the basic study may be required because PWHT ...
... PWHT Condition on Mechanical Properties Although the PWHT condition of 590 ° C × 1.5hr was selected in the above basic study , higher PWHT temperatures and longer durations than the values in the basic study may be required because PWHT ...
Page 98
... PWHT Cathodic protectected ( 0 ° C ) ( 0 ° C ) 2.07 2- SAW 500 30 36 25 45 ° Cap SAW 450 28 50 15 Weld metal ( PWHT ) 1.30 2.16 Double V 1.67 2.35 F SAW 500 30 36 25 ( Table 6 ) ( 0 ° C ) 1.68 ( 0 ° C ) 2.17 Cap SAW 450 28 50 15 381 mm ...
... PWHT Cathodic protectected ( 0 ° C ) ( 0 ° C ) 2.07 2- SAW 500 30 36 25 45 ° Cap SAW 450 28 50 15 Weld metal ( PWHT ) 1.30 2.16 Double V 1.67 2.35 F SAW 500 30 36 25 ( Table 6 ) ( 0 ° C ) 1.68 ( 0 ° C ) 2.17 Cap SAW 450 28 50 15 381 mm ...
Contents
Design of the Troll Multiphase Transport System | 1 |
Propagation and Diffraction of Cnoidal Waves | 9 |
Dynamic Stresses and Motions of Offshore Pipelines During Laying | 17 |
Copyright | |
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applied axial base metal brazing cables calculated carbon equivalent chemical composition cnoidal waves coating cooling crack curve cycle defects developed dew point temperature diameter dynamic tension force effect electrode equation failure field Figure fitness-for-purpose flaws flow foam forge welding fracture fracture mechanics free span frequency friction welding gas pipeline glycol GMAW Gr.B HAZ hardness heat input hydrocarbon dew point induction heating inner pipe installation insulation J-Lay length line pipe linepipe load material maximum measured mechanical properties method nonlinear offshore pipelines operation parameters pipe material pipe wall pipeline Pipeline Technology ASME plate pressure problem procedure propagation PUFI PWHT reeling S-N curves seam weld simulation Specimen steel stress surface T-cross portion tensile strength thermal thermal insulation toughness tube UOE pipe velocity wall thickness water depth water dew point weld metal X80 grade yield strength