ASME B31.8-2025Piping Calculators
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Dent Strain Estimation

Estimate bending and extensional strains at a dent per Annex R-2: ε₁=(t/2)(1/R₀−1/R₁), ε₂=t/(2R₂), ε₃=(1/2)(d/L)² and the combined strain ε.

Inputs

Unit system
in
in
in
in
in
in
Damage criteria (para. 851.4.1)