Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 14, Part 5American Society of Mechanical Engineers, 1995 - Arctic regions |
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Page 129
SCE ) 1.0 Weld metal == Base material -800 0.5 0.1 02 0.3 Cr in inside weld metal ( % ) -900 100 103 101 102 Current density ( u A / cm2 ) Fig . 10 EFFECT OF CHROMIUM CONTENT ON CORROSION RATE OF WELD METAL ( BASE MATERIAL : STEEL B ) ...
SCE ) 1.0 Weld metal == Base material -800 0.5 0.1 02 0.3 Cr in inside weld metal ( % ) -900 100 103 101 102 Current density ( u A / cm2 ) Fig . 10 EFFECT OF CHROMIUM CONTENT ON CORROSION RATE OF WELD METAL ( BASE MATERIAL : STEEL B ) ...
Page 145
The base steel used was a Grade 550 pipeline steel , and overmatched , matched and undermatched weld metals were evaluated . ... Nevertheless , an undermatched weld metal can be utilized during girth welding , provided that it retains ...
The base steel used was a Grade 550 pipeline steel , and overmatched , matched and undermatched weld metals were evaluated . ... Nevertheless , an undermatched weld metal can be utilized during girth welding , provided that it retains ...
Page 147
TABLE 1 : CHEMICAL COMPOSITION AND MECHANICAL PROPERTIES OF BASE METAL AND WELD METALS Chemical Composition ( Mass % ) Ceg Pcm C Si Mn P S Ni Cr Mo ΑΙ Cu V Ti B Nb ( % ) ( % ) Others ( Cu + Ni + Mo + Nb + Ti ) 0.42 0.19 Weld Match 0.06 ...
TABLE 1 : CHEMICAL COMPOSITION AND MECHANICAL PROPERTIES OF BASE METAL AND WELD METALS Chemical Composition ( Mass % ) Ceg Pcm C Si Mn P S Ni Cr Mo ΑΙ Cu V Ti B Nb ( % ) ( % ) Others ( Cu + Ni + Mo + Nb + Ti ) 0.42 0.19 Weld Match 0.06 ...
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Contents
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 41 |
VOLUME IA OFFSHORE TECHNOLOGY | 97 |
SAFETY AND RELIABILITY | 137 |
Copyright | |
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allowable analysis applied approach approximately assessment associated axial bending buckling calculated cause coating compressive considered corrosion cost criteria critical curvature curve deformation depth described determined diameter displacement distribution effect element Engineering equation factors failure field Figure flow force frequency function given important increase indicated initial inspection installation integrity internal joint length limit load material maximum mean measured Mechanics method movement natural obtained occur Offshore operating parameters performed pipe pipeline possible potential predicted presented pressure properties range reduced reliability representative resistance response risk safety seabed shown shows significant slope soil span specific specimens steel strain strength stress structural subjected surface Table Technology temperature tests thickness uncertainty valve wall wave weld