ASME VIII Div.1 · Lamé Equations
Thick-Wall Pressure Vessel Calculator
Hoop, radial and von Mises stress distribution through a thick cylinder wall under internal pressure.
● FREE TOOLInputs
Results
Max Hoop Stress (at ri)
– MPa
Max von Mises (at ri)
– MPa
Wall thickness
– mm
Diameter ratio (ro/ri)
–
Lamé thick-wall theory for internal pressure. Max stresses occur at the inner surface. For preliminary sizing — verify against full ASME VIII Div.1 / Div.2 rules.
