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Pressure Vessel Wall Thickness

Calculate minimum wall thickness for a cylindrical pressure vessel per ASME Sec. VIII Div. 1.

Updated Apr 2025
Dan RileyVerified

BEng Mechanical Engineering (Hons), CMIOSH, LEEA Member

Mechanical engineer and certified lifting equipment examiner with 18 years in heavy industry, structural steelwork, and crane operations across construction and resources sectors.

Updated
1 April 2025

Professional verification required

These calculations are provided for estimation and educational purposes only. Results must be verified by a suitably qualified and licensed engineer before use in any design, specification, or construction context. Numly accepts no liability for decisions made on the basis of these results.

PD 5500Specification for unfired fusion welded pressure vessels

Category 1โ€“3 based on pV product. CE marking under PED 2014/68/EU for European market.

BSI

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mm
MPa
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