Download xlsx - Thickness calculation sheet

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CalculationsShell thickness calculations

Considering joint efficiency = 1

GETS 806valueunitOPERATING PRESSURE4.6barGDESIGN PRESSURE6.7barGOPERATING TEMPARATURE42CDESIGN TEMPARATURE100CInternal Diameter2610mmMaterialSA516 M Gr 485Max Allowable Stress138Mpathickness calculated6.35mmhead thickness6.33mmcorrosion allowance0mmSum6.35mmused thickness10mm

GETS 860valueunitOPERATING PRESSURE4barGDESIGN PRESSURE6.6barGOPERATING TEMPARATURE32C DESIGN TEMPARATURE70CInternal Diameter3400mmMaterialSA516 M Gr 415Max Allowable Stress118Mpathickness calculated9.54mmhead thickness9.51mmcorrosion allowance1.5mmSum11.04mmused thickness14mm

GETS 870valueunitOPERATING PRESSURE3barGDESIGN PRESSURE15barGOPERATING TEMPARATURE100CDESIGN TEMPARATURE150CInternal Diameter2200mmMaterialSA240 304Max Allowable Stress103Mpathickness calculated16.16mmhead thickness16.04mmcorrosion allowance1mmSum17.16mmused thickness28mm

GETS 840valueunitOPERATING PRESSURE5barGDESIGN PRESSURE10barGOPERATING TEMPARATURE44CDESIGN TEMPARATURE110CInternal Diameter1500mmMaterialSA516 M Gr 415Max Allowable Stress118Mpathickness calculated6.38mmhead thickness6.36mmcorrosion allowance3mmSum9.38mmused thickness12mm

GETS 806 (considering joint effficiency 0.85)valueunitOPERATING PRESSURE4.6barGDESIGN PRESSURE6.7barGOPERATING TEMPARATURE42CDESIGN TEMPARATURE100CInternal Diameter2610mmMaterialSA516 M Gr 485Max Allowable Stress138Mpathickness calculated7.48mmhead thickness7.46mmcorrosion allowance0mmSum7.48mmused thickness10mm

CalculatorNameSymbolUnitValueInput Values Here. Leave the unknown column as empty.Joint EfficiencyENo Unit0.85GETS 806Internal Design PressurePMpa0.67valueunitInside Radius of ShellRmm1305OPERATING PRESSURE4.6barGMaximum Allowable Stress ValueSMpa138DESIGN PRESSURE6.7barGMinimum Required thickness of shelltmm0OPERATING TEMPARATURE42CDESIGN TEMPARATURE100CInternal Diameter2610mmCalculated ValuesMaterialSA516 M Gr 485Max Allowable Stress138Mpathickness calculated6.35mmhead thickness6.33mmValuesCircumferential Stress (Longitudinal Joints)Longitudinal Stress (Circumferential Joints)Ellipsoidal Head thicknesscorrosion allowance0mmThickness, t7.4795975979mm3.7227293629mm7.4582242201mmSum6.35mmAllowable Pressure, P0Mpa0Mpaused thickness10mm

Definitions And Formulas Used

NameSymbolUnitDefinitionsJoint EfficiencyENo UnitInternal Design PressurePMpaInside Radius of ShellRmmMaximum Allowable Stress ValueSMpaMinimum Required thickness of shelltmm

Circumferential Stress (Longitudinal Joints)Cylindrical Shell CalculationsPR/(SE-.6P)tSet/(R+0.6t)PLongitudinal Stress (Circumferential Joints)PR/(2SE+0.4P)t2Set/(R-0.4t)PEllipsoidal HeadCylindrical Shell CalculationsPD/(2SE-0.2P)t2Set/(D+0.2t)PTorispherical HeadtP

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