2015. 7. 27. Stress analysis according to ASME B31.3

http://www.pvp-software.de/asmeb31_3.php 1/3

Stress analysis for pressure piping / process pipingaccording to ASME B31.3 and FDBR-Guideline

Component:

Welding tee per ASME B16.9 (TFS) (see Attachment 1 for sketch)

Input data

1. Component data

Name Value Unit

Outer diameter of the run Da mm

Wall thickness of the run T mm

Outer diameter of the branch da mm

Wall thickness of the branch t mm

Design pressure p bar

Maximum temperature of the component Tmax C

Minimum temperature of the component Tmin C

Allowable stress at maximum temperature Sh N/mm

Allowable stress at minimum temperature Sc N/mm

Minimum tensile strength Su N/mm

Young's modulus at operating temperature E N/mm

Young's modulus at room temperature E20 N/mm

Action time of occasional loads (FDBR only) 1%

Equivalent number of full displacement cycles N

Material type ferritic

2. Forces and moments

Name Weight Wind Earthquake Thermal Unit

Run

Longitudinal force Q kN

Bending moment in component plane Mi kNm

Bending moment perp. to the comp. plane Mo kNm

Torsion moment Mt kNm

Branch

Longitudinal force Q kN

Bending moment in component plane Mi kNm

Bending moment perp. to the comp. plane Mo kNm

Torsion moment Mt kNm

2015. 7. 27. Stress analysis according to ASME B31.3

http://www.pvp-software.de/asmeb31_3.php 2/3

Results according to ASME B31.3 Hide

1. Run (io= ; ii= ; A=0.0cm; Z= ; Y= )

NameStressesN/mm

AllowablestressesN/mm

EfficiencyMaximumpressure

bar

Longitudinal stresses due to sustained loads 0.0

Longitudinal stresses due to sustained and occasional loads 0.0

due to wind 0.0

due to earthquake 0.0

Stresses due to thermal expansion 0.0

2. Branch

NameStressesN/mm

AllowablestressesN/mm

EfficiencyMaximumpressure

bar

Longitudinal stresses due to sustained loads 0.0

Longitudinal stresses due to sustained and occasional loads 0.0

due to wind 0.0

due to earthquake 0.0

Stresses due to thermal expansion 0.0

Results according to FDBR-Standard Hide

Attention!The Young's moduli are not entered. The assessment of thermal expansions stresses can be notconservative.

1. Run (i= ; A=0.0cm; Z= )

NameStressesN/mm

AllowablestressesN/mm

EfficiencyMaximumpressure

bar

Longitudinal stresses due to sustained loads 0.0

Longitudinal stresses due to sustained and occasional loads 0.0

due to wind 0.0

due to earthquake 0.0

Stresses due to thermal expansion 0.0

2. Branch

NameStressesN/mm

AllowablestressesN/mm

EfficiencyMaximumpressure

bar

Longitudinal stresses due to sustained loads 0.0

Longitudinal stresses due to sustained and occasional loads 0.0

due to wind 0.0

due to earthquake 0.0

Stresses due to thermal expansion 0.0

Attachments

1. Sketch

2015. 7. 27. Stress analysis according to ASME B31.3

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OP-070.0

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