Pipe Wall Thickness Calculation ASME B31.8 [PDF]

  • 0 0 0
  • Suka dengan makalah ini dan mengunduhnya? Anda bisa menerbitkan file PDF Anda sendiri secara online secara gratis dalam beberapa menit saja! Sign Up
File loading please wait...
Citation preview

No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe API 5L Gr. X65M Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



24 24



inch inch



= =



610 610



mm mm



Pd Td S



: Design Pressure : Design Temperature : Specified Minimum Yield Stress



= = =



720 130 65300



psi o F psi



= = =



49.64 54.44 450



barg o C M



CA E F T MT



: : : : :



= = = = =



0.0625 1.00 0.30 1.000 8



inch



=



1.5875



mm



%



=



0.08



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor Mill Tolerance



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.4410 11.2025



in mm



CONCLUSION Wall thickness for Line Pipe =



0.547



inch = 13.90



mm



t selected



0.562



inch = 14.27



mm



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe API 5L Gr. X42M Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



16 16



inch inch



= =



406 406



mm mm



Pd Td S



: Design Pressure : Design Temperature : Specified Minimum Yield Stress



= = =



720 130 42100



psi o F psi



= = =



49.64 54.44 290



barg o C MPa



CA E F T MT



: : : : :



= = = = =



0.0625 1.00 0.30 1.000 10



inch



=



1.5875



mm



%



=



0.1



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor Mill Tolerance



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.4561 11.5838



in mm



CONCLUSION Wall thickness for Line Pipe =



0.576



inch = 14.63



mm



t selected



0.625



inch = 15.88



mm



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe API 5L Gr. X52M Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



16 16



inch inch



= =



406 406



mm mm



Pd Td



: Design Pressure : Design Temperature



= =



720 130



Psi o F



= =



49.64 54.44



barg o C



S



: Specified Minimum Yield Stress



=



52200



Psi



360



Mpa



CA E F T MT



: : : : :



= = = = =



0.0625 1.00 0.30 1.000 10



inch



=



1.5875



mm



%



=



0.1



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor Mill Tolerance



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.3678 9.3425



in mm



CONCLUSION Wall thickness for Line Pipe =



0.478



inch = 12.14



mm



t selected



0.500



inch = 12.70



mm



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe API 5L Gr. BM Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



16 16



inch inch



= =



406 406



mm mm



Pd Td



: Design Pressure : Design Temperature



= =



720 130



Psi o F



= =



50 54.44



barg o C



S



: Specified Minimum Yield Stress



=



35500



Psi



=



245



Mpa



CA E F T MT



: : : : :



= = = = =



0.0625 1.00 0.30 1.000 10



inch



=



1.6



mm



%



=



0.1



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor Mill Tolerance



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.5408 13.7375



in mm



CONCLUSION Wall thickness for Line Pipe =



0.670



inch = 17.03



mm



t selected



0.688



inch = 17.48



mm



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe API 5L Gr. BM Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



12 12.75



inch inch



= =



305 324



mm mm



Pd Td S



: Design Pressure : Design Temperature : Specified Minimum Yield Stress



= = =



720 130 35500



psi o F psi



= = =



49.64 54.44 245



barg o C MPa



CA E F T MT



: : : : :



= = = = =



0.0625 1.00 0.30 1.000 10



inch



=



1.5875



mm



%



=



0.1



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor Mill Tolerance



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.4310 10.9470



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.548



inch = 13.93



mm



t selected



0.562



inch = 14.27



mm



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe API 5L Gr. X46M Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



12 12.75



inch inch



= =



305 324



mm mm



Pd Td



: Design Pressure : Design Temperature



= =



720 130



Psi o F



= =



50 54.44



barg o C



S



: Specified Minimum Yield Stress



=



46400



Psi



320



Mpa



CA E F T



: : : :



= = = =



0.0625 1.00 0.30 1.000



inch



1.6



mm



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.3297 8.3754



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.392



inch = 9.96



mm



t selected



0.406



inch = 10.31



mm



where, t min t design t selected



=



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



=



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe API 5L Gr. X42M Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



12 12.75



inch inch



= =



305 324



mm mm



Pd Td



: Design Pressure : Design Temperature



= =



720 130



Psi o F



= =



50 54.44



barg o C



S



: Specified Minimum Yield Stress



=



42100



Psi



290



Mpa



CA E F T



: : : :



= = = =



0.0625 1.00 0.30 1.000



inch



1.6



mm



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.3634 9.2309



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.426



inch = 10.82



mm



t selected



0.438



inch = 11.13



mm



where, t min t design t selected



=



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



=



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe API 5L Gr. BM Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



10 10.75



inch inch



= =



254 273



mm mm



Pd Td



: Design Pressure : Design Temperature



= =



720 130



psi o F



= =



50 54.44



barg o C



S



: Specified Minimum Yield Stress



=



35500



psi



=



245



MPa



CA E F T MT



: : : : :



= = = = =



0.0625 1.00 0.30 1.000 10



inch



=



1.5875



mm



%



=



0.1



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor Mill Tolerance



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.3634 9.2299



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.473



inch = 12.02



mm



t selected



0.500



inch = 12.70



mm



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe ASTM A106 Gr.B Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



4 4.5



inch inch



= =



102 114



mm mm



Pd Td



: Design Pressure : Design Temperature



= =



720 130



psi o F



= =



50 54.44



barg o C



S



: Specified Minimum Yield Stress



=



35500



psi



=



245



MPa



CA E F T MT



: : : : :



= = = = =



0.1260 1.00 0.30 1.000 12.5



inch



=



3.2



mm



%



=



0.125



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor Mill Tolerance



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.1521 3.8637



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.318



inch = 8.07



mm



0.337 80



inch = 8.56



mm



t selected



where, t min t design t selected



=



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe ASTM A106 Gr.B Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



4 4.5



inch inch



= =



102 114



mm mm



Pd Td S



: Design Pressure : Design Temperature : Specified Minimum Yield Stress



= = =



235 130 35500



psi o F psi



= = =



16.20 54.44 245



barg o C MPa



CA E F T



: : : :



= = = =



0.1250 1.00 0.30 1.000



inch



=



3.175



mm



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.0496 1.2611



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.175



inch = 4.44



mm



0.237 SCH 40



inch = 6.02



mm



t selected



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe API 5L Gr. X42M Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



2 2.375



inch inch



= =



51 60



mm mm



Pd Td



: Design Pressure : Design Temperature



= =



720 130



pai o F



= =



49.64 54.44



barg o C



S



: Specified Minimum Yield Stress



=



42100



psi



=



290



MPa



CA E F T



: : : :



= = = =



0.1250 1.00 0.30 1.000



inch



=



3.175



mm



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor



0 Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.0677 1.7195



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.193



inch = 4.89



mm



0.218 SCH 80



inch = 5.54



mm



t selected



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe ASTM A106 Gr.B Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



2 2.375



inch inch



= =



51 60



mm mm



Pd Td S



: Design Pressure : Design Temperature : Specified Minimum Yield Stress



= = =



720 130 35500



pai o F psi



= = =



49.64 54.44 245



barg o C MPa



CA E F T



: : : :



= = = =



0.1250 1.00 0.30 1.000



inch



=



3.175



mm



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.0803 2.0392



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.205



inch = 5.21



mm



0.218 SCH 80



inch = 5.54



mm



t selected



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe ASTM A106 Gr.B Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



2 2.375



inch inch



= =



51 60



mm mm



Pd Td



: Design Pressure : Design Temperature



= =



235 130



psi o F



= =



16 54.44



barg o C



S



: Specified Minimum Yield Stress



=



35500



psi



=



245



MPa



CA E F T MT



: : : : :



= = = = =



0.1260 1.00 0.30 1.000 12.5



inch



=



3.2



mm



%



=



0.125



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor Mill Tolerance



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.0262 0.6656



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.174



inch = 4.42



mm



t selected



0.203



inch = 5.16



mm



where, t min t design t selected



=



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe ASTM A106 Gr.B Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



1 1.315



inch inch



= =



25.4 33.4



mm mm



Pd Td S



: Design Pressure : Design Temperature : Specified Minimum Yield Stress



= = =



720 130 35500



psi o F psi



= = =



49.64 54.44 245



barg o C MPa



CA E F T



: : : :



= = = =



0.1250 1.00 0.30 1.000



inch



=



3.175



mm



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.0445 1.1290



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.169



inch = 4.30



mm



0.250 SCH 160



inch = 6.35



mm



t selected



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe ASTM A106 Gr.B Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



0.75 1.05



inch inch



= =



19 27



mm mm



Pd Td S



: Design Pressure : Design Temperature : Specified Minimum Yield Stress



= = =



720 130 35500



psi o F psi



= = =



49.64 54.44 245



barg o C MPa



CA E F T



: : : :



= = = =



0.1250 1.00 0.30 1.000



inch



=



3.175



mm



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.0355 0.9015



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.160



inch = 4.08



mm



0.219 SCH 160



inch = 5.56



mm



t selected



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness



No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45



PT. Perusahaan Gas Negara (Persero) Tbk. GENERAL Code Description Material Condition



: : : :



ASME B31.8 Line Pipe API 5L Gr. BM Operating



WALL THICKNESS CALCULATION Input Data D pl OD pl



: Nominal Diameter of Pipeline : Outside Diameter of Pipeline



= =



6 6.625



inch inch



= =



152 168



mm mm



Pd Td



: Design Pressure : Design Temperature



= =



720 130



psi o F



= =



50 54.44



barg o C



S



: Specified Minimum Yield Stress



=



35500



psi



=



245



MPa



CA E F T MT



: : : : :



= = = = =



0.0625 1.00 0.30 1.000 10



inch



=



1.5875



mm



%



=



0.1



Corrosion Allowance Joint Efficiency Factor Design Factor (Class 4) Temperature Derating Factor Mill Tolerance



Parameter of Calculation a. The equation for minimum wall thickness







t min b.



PD 2 SFET



Design wall thickness t min



0.2239 5.6882



in mm



CONCLUSION Wall thickness for Line Pipe t design = t min + CA =



0.318



inch = 8.08



mm



t selected



0.432



inch = 10.97



mm



where, t min t design t selected



= =



=



= Minimum design wall thickness due to internal pressure = Minimum wall thickness for installation = Selected wall thickness