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ASME B31.4 Liquid Pipeline Branch Reinforcement

Calculate ASME B31.4 oil and liquid pipeline welded and extruded branch reinforcement for onshore and offshore pipelines.

Reference : ANSI/ASME B31.4 : Pipeline Transportation Systems For Liquids And Slurries (2012)

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CALCULATOR : ASME B31.4 Section 404.3 Pipeline Welded Branch Reinforcement (Onshore) [PLUS]   ±

Calculate onshore pipeline branch reinforcement area for welded branch connections (ASME B31.4 section 404.3).

The branch opening length is the maximum of the branch corroded internal diameter, and the axial length of the opening.

Tool Input

  • schdtypea : Header Schedule Type
  • diamtypea : Header Diameter Type
    • ODhu : User Defined Header Outside Diameter
    • IDhu : User Defined Header Inside Diameter
  • wtntypea : Header Wall Thickness Type
    • tnhu : User Defined Header Wall Thickness
  • syutypea : Header Stress Type
  • mattypea : Header Material Type
    • SMYShu : User Defined Header Specified Minimum Yield Stress
  • efactypeh : Header Weld Joint Quality Factor Type
    • Ehu : User Defined Header Quality Factor
  • schdtypeb : Branch Schedule Type
  • diamtypeb : Branch Diameter Type
    • ODbu : User Defined Branch Outside Diameter
    • IDbu : User Defined Branch Inside Diameter
  • wtntypeb : Branch Wall Thickness Type
    • tnbu : User Defined Branch Wall Thickness
  • syutypeb : Branch Stress Type
  • mattypeb : Branch Material Type
    • SMYSbu : User Defined Branch Specified Minimum Yield Stress
  • efactypeb : Branch Weld Joint Quality Factor Type
    • Ebu : User Defined Branch Quality Factor
  • loctype : Location Class
    • Fu : User Defined Stress Factor
  • satype : Allowable Stress Calculation Type
    • Sahu : User Defined Header Allowable Stress
    • Sabu : User Defined Branch Allowable Stress
  • dlentype : Branch Opening Length Type
    • dou : User Defined Branch Opening Length
  • c : Corrosion Allowance
  • tr : Corroded Pad Reinforcement Thickness
  • SFp : Pad Design Stress
  • P : Design Pressure

Tool Output

  • AB : Replacement Area Branch Wall
  • AH : Replacement Area Header Wall
  • APa : Actual Pad Reinforcement Area
  • APr : Required Pad Reinforcement Area
  • AR : Required Replacement Area
  • AT : Total Replacement Area
  • Db/Dh : Branch Diameter Over Header Diameter Ratio
  • Eb : Branch Weld Joint Factor
  • Eh : Header Weld Joint Factor
  • F : Design Stress Factor
  • Lz : Reinforcement Zone Height
  • ODb : Branch Outside Diameter
  • ODh : Header Outside Diameter
  • SEFb : Branch Allowable Stress
  • SEFh : Header Allowable Stress
  • SMYSB : Branch Yield Stress
  • SMYSH : Header Yield Stress
  • do : Branch Opening Length
  • dz : Reinforcement Zone Half Width
  • fb : Branch Design Stress Ratio
  • fr : Reinforcement Design Stress Ratio
  • tab : Branch Actual Pressure Design Wall Thickness
  • tah : Header Actual Pressure Design Wall Thickness
  • tnb : Branch Nominal Wall Thickness
  • tnh : Header Nominal Wall Thickness
  • trb : Branch Required Pressure Design Wall Thickness
  • trh : Header Required Pressure Design Wall Thickness
  • wa : Actual Pad Reinforcement Width (Including Welds)
  • wr : Required Pad Reinforcement Width (Including Welds)

CALCULATOR : ASME B31.4 Section 404.3 Pipeline Extruded Branch Reinforcement (Onshore) [PLUS]   ±

Calculate onshore pipeline branch reinforcement area for extruded branch connections (ASME B31.4 section 404.3).

The corroded extrusion diameter should be used for Do. The design wall thicknesses include the corrosion allowance.

Tool Input

  • schdtypea : Header Schedule Type
  • diamtypea : Header Diameter Type
    • ODhu : User Defined Header Outside Diameter
    • IDhu : User Defined Header Inside Diameter
  • wtntypea : Header Wall Thickness Type
    • tnhu : User Defined Header Wall Thickness
  • syutypea : Header Stress Type
  • mattypea : Header Material Type
    • SMYShu : User Defined Header Specified Minimum Yield Stress
  • schdtypeb : Branch Schedule Type
  • diamtypeb : Branch Diameter Type
    • ODbu : User Defined Branch Outside Diameter
    • IDbu : User Defined Branch Inside Diameter
  • wtntypeb : Branch Wall Thickness Type
    • tnbu : User Defined Branch Wall Thickness
  • syutypeb : Branch Stress Type
  • mattypeb : Branch Material Type
    • SMYSbu : User Defined Branch Specified Minimum Yield Stress
  • efactypeb : Branch Weld Joint Quality Factor Type
    • Ebu : User Defined Branch Quality Factor
  • loctype : Location Class
    • Fu : User Defined Stress Factor
  • satype : Allowable Stress Calculation Type
    • Sahu : User Defined Header Allowable Stress
    • Sabu : User Defined Branch Allowable Stress
  • dlentype : Branch Opening Length Type
    • dxu : User Defined Branch Opening Length
  • c : Corrosion Allowance
  • rx : Extrused Lip Radius Of Curvature
  • tnx : Extrused Lip Nominal Wall Thickness At Height rx
  • P : Design Pressure

Tool Output

  • AB : Replacement Area Branch Wall
  • AH : Replacement Area Header Wall
  • AL : Replacement Area Extruded Lip
  • AR : Required Replacement Area
  • AT : Total Replacement Area
  • AX : Required Extra Reinforcement Area
  • Db/Dh : Branch Diameter Over Header Diameter Ratio
  • Eb : Branch Weld Joint Factor
  • F : Design Stress Factor
  • K : Required Area Factor
  • Lz : Reinforcement Zone Height
  • ODb : Branch Outside Diameter
  • ODh : Header Outside Diameter
  • SEFb : Branch Allowable Stress
  • SFh : Header Allowable Stress
  • SMYSB : Branch Yield Stress
  • SMYSH : Header Yield Stress
  • dx : Branch Opening Length
  • dz : Reinforcement Zone Half Width
  • tab : Branch Actual Pressure Design Wall Thickness
  • tah : Header Actual Pressure Design Wall Thickness
  • tax : Extruded Lip Actual Pressure Design Thickness
  • tnb : Branch Nominal Wall Thickness
  • tnh : Header Nominal Wall Thickness
  • trb : Branch Required Pressure Design Wall Thickness
  • trh : Header Required Pressure Design Wall Thickness

CALCULATOR : ASME B31.4 Section 404.3 Pipeline Welded Branch Reinforcement (Offshore) [PLUS]   ±

Calculate offshore pipeline branch reinforcement area for welded branch connections (ASME B31.4 section 404.3).

The branch opening length is the maximum of the branch corroded internal diameter, and the axial length of the opening. For platform piping select the no external pressure option.

Tool Input

  • schdtypea : Header Schedule Type
  • diamtypea : Header Diameter Type
    • ODhu : User Defined Header Outside Diameter
    • IDhu : User Defined Header Inside Diameter
  • wtntypea : Header Wall Thickness Type
    • tnhu : User Defined Header Wall Thickness
  • syutypea : Header Stress Type
  • mattypea : Header Material Type
    • SMYShu : User Defined Header Specified Minimum Yield Stress
  • schdtypeb : Branch Schedule Type
  • diamtypeb : Branch Diameter Type
    • ODbu : User Defined Branch Outside Diameter
    • IDbu : User Defined Branch Inside Diameter
  • wtntypeb : Branch Wall Thickness Type
    • tnbu : User Defined Branch Wall Thickness
  • syutypeb : Branch Stress Type
  • mattypeb : Branch Material Type
    • SMYSbu : User Defined Branch Specified Minimum Yield Stress
  • loctype : Location Class
    • Fu : User Defined Design Stress Factor
  • satype : Allowable Stress Calculation Type
    • Sahu : User Defined Header Allowable Stress
    • Sabu : User Defined Branch Allowable Stress
  • calctype : Barlow Hoop Stress Equation Type
  • dlentype : Branch Opening Length Type
    • dou : User Defined Branch Opening Length
  • c : Corrosion Allowance
  • tr : Corroded Pad Reinforcement Thickness
  • SFp : Pad Design Stress
  • P : Design Pressure

Tool Output

  • AB : Replacement Area Branch Wall
  • AH : Replacement Area Header Wall
  • APa : Actual Pad Reinforcement Area
  • APr : Required Pad Reinforcement Area
  • AR : Required Replacement Area
  • AT : Total Replacement Area
  • Db/Dh : Branch Diameter Over Header Diameter Ratio
  • F : Design Stress Factor
  • Lz : Reinforcement Zone Height
  • ODb : Branch Outside Diameter
  • ODh : Header Outside Diameter
  • SFb : Branch Allowable Stress
  • SFh : Header Allowable Stress
  • SMYSB : Branch Yield Stress
  • SMYSH : Header Yield Stress
  • do : Branch Opening Length
  • dz : Reinforcement Zone Half Width
  • fb : Branch Design Stress Ratio
  • fr : Reinforcement Design Stress Ratio
  • tab : Branch Actual Pressure Design Wall Thickness
  • tah : Header Actual Pressure Design Wall Thickness
  • tnb : Branch Nominal Wall Thickness
  • tnh : Header Nominal Wall Thickness
  • trb : Branch Required Pressure Design Wall Thickness
  • trh : Header Required Pressure Design Wall Thickness
  • wa : Actual Pad Reinforcement Width (Including Welds)
  • wr : Required Pad Reinforcement Width (Including Welds)

CALCULATOR : ASME B31.4 Section 404.3 Pipeline Extruded Branch Reinforcement (Offshore) [PLUS]   ±

Calculate offshore pipeline branch reinforcement area for extruded branch connections (ASME B31.4 section 404.3).

The corroded extrusion diameter should be used for Do. The design wall thicknesses include the corrosion allowance. For platform piping select the no external pressure option.

Tool Input

  • schdtypea : Header Schedule Type
  • diamtypea : Header Diameter Type
    • ODhu : User Defined Header Outside Diameter
    • IDhu : User Defined Header Inside Diameter
  • wtntypea : Header Wall Thickness Type
    • tnhu : User Defined Header Wall Thickness
  • syutypea : Header Stress Type
  • mattypea : Header Material Type
    • SMYShu : User Defined Header Specified Minimum Yield Stress
  • schdtypeb : Branch Schedule Type
  • diamtypeb : Branch Diameter Type
    • ODbu : User Defined Branch Outside Diameter
    • IDbu : User Defined Branch Inside Diameter
  • wtntypeb : Branch Wall Thickness Type
    • tnbu : User Defined Branch Wall Thickness
  • syutypeb : Branch Stress Type
  • mattypeb : Branch Material Type
    • SMYSbu : User Defined Branch Specified Minimum Yield Stress
  • loctype : Location Class
    • Fu : User Defined Design Stress Factor
  • satype : Allowable Stress Calculation Type
    • Sahu : User Defined Header Allowable Stress
    • Sabu : User Defined Branch Allowable Stress
  • calctype : Barlow Hoop Stress Equation Type
  • dlentype : Branch Opening Length Type
    • d1u : User Defined Branch Opening Length
  • c : Corrosion Allowance
  • rx : Extrused Lip Radius Of Curvature
  • tnx : Extrused Lip Nominal Wall Thickness At Height rx
  • P : Design Pressure

Tool Output

  • AB : Replacement Area Branch Wall
  • AH : Replacement Area Header Wall
  • AL : Replacement Area Extruded Lip
  • AR : Required Replacement Area
  • AT : Total Replacement Area
  • AX : Required Extra Reinforcement Area
  • Db/Dh : Branch Diameter Over Header Diameter Ratio
  • F : Design Stress Factor
  • K : Required Area Factor
  • Lz : Reinforcement Zone Height
  • ODb : Branch Outside Diameter
  • ODh : Header Outside Diameter
  • SFb : Branch Allowable Stress
  • SFh : Header Allowable Stress
  • SMYSB : Branch Yield Stress
  • SMYSH : Header Yield Stress
  • dx : Branch Opening Length
  • dz : Reinforcement Zone Half Width
  • tab : Branch Actual Pressure Design Wall Thickness
  • tah : Header Actual Pressure Design Wall Thickness
  • tax : Extruded Lip Actual Pressure Design Thickness
  • tnb : Branch Nominal Wall Thickness
  • tnh : Header Nominal Wall Thickness
  • trb : Branch Required Pressure Design Wall Thickness
  • trh : Header Required Pressure Design Wall Thickness

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