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 67
... Table 2 Mechanical property of the trial pipes Charpy Impact VE - 45 % ( J ) Body W.M. HAZ 107/103 122/120 92/85 133/102 164/163 204/175 Table 3 SMAW conditions Welding parameters Current ( A ). Hardness , Hv IOkgf v Trs , ° C vE - 30 ...
... Table 2 Mechanical property of the trial pipes Charpy Impact VE - 45 % ( J ) Body W.M. HAZ 107/103 122/120 92/85 133/102 164/163 204/175 Table 3 SMAW conditions Welding parameters Current ( A ). Hardness , Hv IOkgf v Trs , ° C vE - 30 ...
Page 70
... Table 7 Mechanical test result Charpy impact test DWTT YR TS EL 78 773 19 82 820 22 81 798 21 766 21 784 22 775 21 % Energy ; J at -5 ° C Body Energy SA 103 100 148 100 125 100 136 Table 8 Dimensional test result Wall thickness , mm 3 ...
... Table 7 Mechanical test result Charpy impact test DWTT YR TS EL 78 773 19 82 820 22 81 798 21 766 21 784 22 775 21 % Energy ; J at -5 ° C Body Energy SA 103 100 148 100 125 100 136 Table 8 Dimensional test result Wall thickness , mm 3 ...
Page 97
... Table 4 Simulated girth welding conditions by single SAW 200 Current Voltage Speed Heat input Edge preparation Side Pass ( A ) ( V ) ( cpm ) ( kJ / cm ) 180 160 650 ° C x 1.5 ... Table 7 Welding conditions and HAZ CTOD test results Table 97.
... Table 4 Simulated girth welding conditions by single SAW 200 Current Voltage Speed Heat input Edge preparation Side Pass ( A ) ( V ) ( cpm ) ( kJ / cm ) 180 160 650 ° C x 1.5 ... Table 7 Welding conditions and HAZ CTOD test results Table 97.
Contents
Propagation and Diffraction of Cnoidal Waves | 9 |
Dynamic Stresses and Motions of Offshore Pipelines During Laying | 17 |
TimeDevelopment of Scour Induced Free Spans of Pipelines | 25 |
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applied axial base metal brazing cables calculated carbon equivalent chemical composition cnoidal waves coating cooling crack CTOD curve cycle defects developed dew point temperature diameter dynamic tension force effect electrode equation field Figure fitness-for-purpose flaws flow foam forge welding fracture fracture mechanics free span frequency friction welding gas pipeline GMAW Gr.B HAZ hardness heat input hydrocarbon dew point induction heating inner pipe installation insulation internal J-Lay length line pipe linepipe load material maximum measured mechanical properties method microstructure nonlinear offshore pipelines operation ovalization parameters pipe material pipe wall pipeline plate pressure problem procedure propagation PUFI PWHT ratio 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