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### C Section Torque Applied Deformation and Stress Equations and Calculator

Beam Deflection and Stress Equation and Calculators

Torque Applied Deformation and Stress of a C Beam Section Equations and Calculator ALL calculators require a Premium Membership

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Torque Applied Deformation and Stress of a C Beam Section Calculator

K = 2Cro4

Varies with ri / ro as follows

For:  Where 0.2 ≤ ri / ro 0.6 Angle of Twist under applied Torque Moment

θ = ( T L ) / ( K G )

Shear Stress Maximum

At M: Where B varies with ri / ro as follows:

for 0.2 ≤ ri / ro ≤ 0.6 Where 0.1≤ h / ri ≤ 1.0 Where:

θ = angle of twist (radians),
T = Twisting or torque moment force-length, (in-lbs, N-mm),
L = Length of Section (in, mm),
h = Length as Indicated (in, mm),
ro, ri = radius (in, mm),
A = area of section (in2, mm2)
τ = Unit shear stress force / area (lbs/in2, N/mm2),
G = Modulus of rigidity force / area (lbs/in2, N/mm2),
K = Polar Moment of Inertia (in4, mm4) for section

Reference:
Roarks Formulas for Stress and Strain, 7th Edition, Table 10.1 Formulas for torsional deformation and stress.

Related:

The Shaft Design Book (Design Charts and Calculations for Torsional Properties of Non-Circular Shafts)