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Maximum Moment Of Pipe And Round HSS:

Calculation:

Designer/Checker:

Input:

Metric Units

(Note: All input Metric units are converted to English units for the equations below and then the output English units are converted back to Metric)

From AISC F8:

This calculation applies to round HSS or pipe having D/t ratios of less than 0.45(29000)/fy.

ASD

LRFD

Noncompact

Slender

Compact

Outside diameter (D - in or mm)

Thickness of steel (t - in or mm)

Steel yield strength (fy - ksi or MPa)

Section modulus of the beam, axis of rotation (S - in^3 or mm^3)

Plastic section modulus, axis of rotation (Z - in^3 or mm^3)

Output:

Maximum moment of the beam, Mu =