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Pipe Weight & Section Properties
Calculate pipe weight, fluid weight, moment of inertia, section modulus, and flow area per ASME B36.10.
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Pipe Wall Thickness
Minimum wall thickness per ASME B31.3, B31.4, B31.8 with mill tolerance, corrosion allowance, and schedule selection.
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Expansion Loop Calculator
Size expansion loops for thermal growth in process piping. Loop dimensions, thermal expansion, and stress check per ASME B31.3.
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Pipeline Crossing Calculator
Road and railway crossing stress analysis. Casing design, soil load, traffic load, and combined stress per API RP 1102.
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Upheaval Buckling Calculator
Buried pipeline stability against upheaval buckling. Driving force, soil resistance, and required cover depth per DNV-RP-F110.
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Ductile Fracture Propagation
Battelle Two-Curve Method for gas pipeline arrest toughness per SAES-L-131, API 5L Annex G, and ASME B31.8.
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Subsea Pipeline Calculator
Offshore pipeline mechanical design — wall thickness, collapse, propagating buckling, on-bottom stability, and spanning per DNV-ST-F101.
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Trunnion Support Calculator
Dummy leg and trunnion loading on pipe and elbows. Combined stress check per M.W. Kellogg Design Manual Subject 3810.
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