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 86
Carbon equivalent ( IW % ) 0.32 Wall thickness ( Inch ) 1.25 0.34 0.36 0.38 0.40 260 250 Field 240 weldability ( Hv10kg ) Not required +1.00 0.75 Not · required BP -10 -20 API grade X65 -30 Charpy test temp . ( ° C ) Present NACE Anti ...
Carbon equivalent ( IW % ) 0.32 Wall thickness ( Inch ) 1.25 0.34 0.36 0.38 0.40 260 250 Field 240 weldability ( Hv10kg ) Not required +1.00 0.75 Not · required BP -10 -20 API grade X65 -30 Charpy test temp . ( ° C ) Present NACE Anti ...
Page 87
... carbon content and PCм , an index of the total content of alloying elements . The decrease in carbon content is especially effective , as it is in the base material when the heat input is low . In order to suppress the maximum HAZ ...
... carbon content and PCм , an index of the total content of alloying elements . The decrease in carbon content is especially effective , as it is in the base material when the heat input is low . In order to suppress the maximum HAZ ...
Page 91
... carbon equivalent and the carbon , phosphorus , and sulphur content are shown in Figure 20. The carbon equivalent is controlled within a narrow range of 0.30 to 0.33 % , and the phosphorus and sulphur content is reduced to extremely low ...
... carbon equivalent and the carbon , phosphorus , and sulphur content are shown in Figure 20. The carbon equivalent is controlled within a narrow range of 0.30 to 0.33 % , and the phosphorus and sulphur content is reduced to extremely low ...
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 |
Copyright | |
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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