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MAWP Calculations

Calculate MAWP as per locations with various standard formulas.

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Calculate MAWP per locations with various standard formulas.

Note: You can find the calculations in the CORE Inspection App, but we also provide working calculations below.

AsInt Inc provides free MAWP and TMIN calculation tools for informational purposes only. Users acknowledge and agree to use these tools at their own risk. AsInt Inc disclaims any warranties regarding accuracy or reliability. These tools do not substitute professional advice. AsInt Inc is not liable for any damages arising from tool use. Users accept this disclaimer by accessing and using the calculation tools. AsInt Inc may update or modify tools without notice. For critical applications, consult with qualified professionals. By using these tools, users agree to the terms outlined in this disclaimer.

CYLINDRICAL SHELLS INSIDE RADIUS P=SET/R+0.6T

Imperial
inches
inches
psi
psi
Metrics
mm
mm
bar
bar

CYLINDRICAL SHELLS INSIDE RADIUS DIVISION 2 P=SELN((T/R)+1)

Imperial
inches
inches
psi
psi
Metrics
mm
mm
bar
bar

CYLINDRICAL SHELLS OUTSIDE RADIUS P=SET/R-0.4T

Imperial
inches
inches
psi
psi
Metrics
mm
mm
bar
bar

FORMED ELLIPSOIDAL HEADS, PRESSURE ON CONCAVE SIDE INSIDE RADIUS P=2SET/D+0.2T

Imperial
inches
inches
psi
psi
Metrics
mm
mm
bar
bar

FORMED ELLIPSOIDAL HEADS, PRESSURE ON CONCAVE SIDE OUTSIDE RADIUS P=2SET/D-1.8T

Imperial
inches
inches
psi
psi
Metrics
mm
mm
bar
bar

STRAIGHT PIPE UNDER INTERNAL PRESSURE P=2SET/(D-2TY)

Imperial
inches
inches
psi
psi
Metrics
mm
mm
bar
bar

GAS TRANSMISSION AND DISTRIBUTION PIPING SYSTEMS P=(2ST/D)XFXEXT

Imperial
psi
inches
inches
psi
Metrics
bar
mm
mm
bar

STRAIGHT PIPELINE UNDER INTERNAL PRESSURE, 304.1.2 P=(2ST/D)XEXF

Imperial
psi
inches
inches
psi
Metrics
bar
mm
mm
bar