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ASME B31.3 Process Piping Blank Flange

Calculate ASME B31.3 process piping blank flange thickness.

Use the workbook ASME B31.3 data tables to look up allowable stress data.

Reference : ANSI/ASME B31.3 : Process Piping (2018)

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CALCULATOR : ASME B31.3 Metal Pipe Diameter And Wall Thickness Schedule [FREE]   ±

Calculate ASME B31.3 metal pipe diameter, minimum wall thickness and pressure design thickness from pipe schedule or user defined diameter and wall thickness (ASME B31.3 section 304.1).

Select the pipe schedule (NPS or ISO), pipe diameter and wall thickness, or use the user defined option. Use the Result Table option to display the pipe schedule with nominal wall thickness, minimum wall thickness and pressure design wall thickness for the selected diameter.

Tool Input

  • schdtype : Schedule Type
  • diamtype : Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • ttoltype : Wall Thickness Fabrication Tolerance Type
    • txu : User Defined Negative Wall Thickness Fraction
    • tfu : User Defined Negative Wall Thickness Allowance
  • c : Wall Thickness Corrosion Allowance

Tool Output

  • ID : Nominal Inside Diameter
  • OD : Nominal Outside Diameter
  • OD/tn : Diameter Over Wall Thickness Ratio
  • tf : Wall Thickness Fabrication Allowance
  • tm : Minimum Wall Thickness
  • tn : Nominal Wall Thickness
  • tp : Pressure Design Wall Thickness
  • tx : Wall Thickness Fabrication Fraction

CALCULATOR : ASME B31.3 Table A-1 Low Pressure Metal Pipe Yield Stress Tensile Stress And Basic Allowable Stress Schedule [FREE]   ±

Calculate low pressure metal pipe SMYS (Specified Minimum Yield Stress), SMTS (Specified Minimum Tensile Stress) and basic allowable stress schedule (ASME B31.3 table A-1).

Use the Result Table option to display the stress values for the selected stress schedule (click the Result Table button, and then click the make table button).

Tool Input

  • syutype : Stress Schedule Type
  • mattype : Material Type
    • SMTSu : User Defined Specified Minimum Tensile Stress
    • SMYSu : User Defined Specified Minimum Yield Stress
    • Su : User Defined Basic Allowable Stress

Tool Output

  • S : Basic Allowable Stress
  • S/SMTS : Basic Allowable Stress Over SMTS Ratio
  • S/SMYS : Basic Allowable Stress Over SMYS Ratio
  • SMTS : Specified Minimum Tensile Stress
  • SMTS/SMYS : SMTS Over SMYS Ratio
  • SMYS : Specified Minimum Yield Stress
  • SMYS/SMTS : SMYS Over SMTS Ratio

CALCULATOR : ASME B31.3 Table K-1 High Pressure Metal Pipe Yield Stress Tensile Stress And Allowable Stress Schedule [FREE]   ±

Calculate high pressure metal pipe SMYS (Specified Minimum Yield Stress), SMTS (Specified Minimum Tensile Stress) and allowable stress schedule (ASME B31.3 table K-1).

Use the Result Table option to display the stress values for the selected stress schedule (click the Result Table button, and then click the make table button).

Tool Input

  • syutype : Stress Schedule Type
  • mattype : Material Type
    • SMTSu : User Defined Specified Minimum Tensile Stress
    • SMYSu : User Defined Specified Minimum Yield Stress
    • Su : User Defined Allowable Stress

Tool Output

  • S : Basic Allowable Stress
  • S/SMTS : Basic Allowable Stress Over SMTS Ratio
  • S/SMYS : Basic Allowable Stress Over SMYS Ratio
  • SMTS : Specified Minimum Tensile Stress
  • SMTS/SMYS : SMTS Over SMYS Ratio
  • SMYS : Specified Minimum Yield Stress
  • SMYS/SMTS : SMYS Over SMTS Ratio

CALCULATOR : ASME B31.3 Section 304.5 Pipe Blank Wall Thickness (Low Pressure Steel Piping) [FREE]   ±

Calculate pipe blank thickness for low pressure steel piping (ASME B31.3 section 304.5).

Tool Input

  • ttoltype : Blank Thickness Tolerance Type
    • xfu : User Defined Negative Wall Thickness Fraction
    • tfu : User Defined Negative Wall Thickness Allowance
  • dg : Gasket Inside Diameter
  • c : Corrosion Allowance
  • P : Internal Pressure
  • SE : Design Stress

Tool Output

  • t : Pressure Containment Blank Thickness
  • tf : Blank Thickness Fabrication Allowance
  • tm : Minimum Blank Thickness
  • tn : Nominal Blank Thickness
  • xf : Blank Thickness Fabrication Fraction