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 68
Fig.13 Macrostructure and hardness distribution of girth welded joint ( a ; SMAW , b ; GMAW ) Table 3 SMAW conditions Welding parameters Current ( A ) Voltage ( V ) Speed ( cpm ) Heat input ( kJ / cm ) Preheat temp . ( Root ) Interpass ...
Fig.13 Macrostructure and hardness distribution of girth welded joint ( a ; SMAW , b ; GMAW ) Table 3 SMAW conditions Welding parameters Current ( A ) Voltage ( V ) Speed ( cpm ) Heat input ( kJ / cm ) Preheat temp . ( Root ) Interpass ...
Page 97
... WELDED JOINTS Weldability and toughness of the welded joint with a coupling are important factors in the evaluation of tether pipes . Therefore , weldability and toughness of girth welded joints were examined with Steel D in the ...
... WELDED JOINTS Weldability and toughness of the welded joint with a coupling are important factors in the evaluation of tether pipes . Therefore , weldability and toughness of girth welded joints were examined with Steel D in the ...
Page 98
Table 7 Welding conditions and HAZ CTOD test results Welding Current Voltage ... welded or PWHT Cathodic protectected ( 0 ° C ) ( 0 ° C ) 2.07 2- SAW 500 30 ... joint was investigated.8 ) The test procedure is as follows : ( 1 ) CTOD ...
Table 7 Welding conditions and HAZ CTOD test results Welding Current Voltage ... welded or PWHT Cathodic protectected ( 0 ° C ) ( 0 ° C ) 2.07 2- SAW 500 30 ... joint was investigated.8 ) The test procedure is as follows : ( 1 ) CTOD ...
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 |
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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