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Calculation of Shell and Pipe Wall Thickness Based on Internal Pressure in Pressure Vessels—Pressure Vessels

Author: morimoritarouExecutions: 1930

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Manufactured for a Type II Pressure Vessel application
P=
MPa[Maximum Operating Pressure]
Di=
mm[Inner Diameter of a Cylinder]
η=
(times)[Minimum Efficiency with Long-Side Joining] (*1)
σa=
N/m²[Allowable Tensile Stress of Materials] (*2)
α=
mm[Corrosion Allowance]
《Design Thickness》
mm
Calculated value = 
t = minimum thickness of the plate mm (*3)
[Remaining Safety Margin] mm[Evaluation] 
*1 The minimum efficiency for longitudinal joints is
1.0 for TP-S seamless pipes.

*2 The allowable tensile stress of the material is
P59 B 8267:2015, Annex B (Provisions): Allowable Tensile Stress of Standard Materials—please refer to this.

Calculation of Allowable Tensile Stress Using the Interpolation Method
https://keisan.site/exec/user/1722577940

*3 Per instructions from the Japan Boiler Association,
calculate to the fourth decimal place and round off

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