Pipeng Toolbox : API 1102 Pipe Crossing Pipe Schedule Calculators Blank User
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API RP 1102 Pipeline Crossing Line Pipe Schedule

Calculate API RP 1102 steel pipeline diameter, nominal wall thickness and pressure containment wall thickness.

For API RP 1102, the fabrication tolerance is included in the design factor. The fabrication tolerance is not required provided that the tolerance is within the relevant specification. The pressure containment wall thickness equals the nominal wall thickness minus the corrosion allowance. The pipe diameter can be defined by either the outside diameter or the inside diameter.

Use the Result Table option to display a table of pipe cross section versus wall thickness for the selected diameter.

Reference : API RP 1102 : Steel Pipelines Crossing Railroads and Highways (2012)

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CALCULATOR : API RP 1102 Pipe Diameter And Wall Thickness Schedule [FREE]   ±

Calculate API RP 1102 pipeline diameter and wall thickness from pipe schedule.

The pressure design thickness equals the nominal wall thickness minus the corrosion allowance. The corrosion allowance includes mechanical allowances such as threads and damage etc. The fabrication tolerance is included in the design factor, and is not included in the pressure design thickness. Use the Result Table option display a table of pressure design wall thickness versus wall thickness for the selected diameter schedule.

Tool Input

  • schdtype : Line Pipe Schedule Type
  • diamtype : Line Pipe Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • c : Wall Thickness Corrosion Allowance

Tool Output

  • ID : Nominal Inside Diameter
  • OD : Nominal Outside Diameter
  • OD/tn : Diameter Over Wall Thickness Ratio
  • tn : Nominal Wall Thickness
  • tp : Pressure Design Wall Thickness