L4x3-1/2x5/16

Angles from AISC Shapes Database v16.0. Also designated L102X89X7.9.

4 in3.5 in

Outline drawn from the published dimensions. Fillets and root radii are not shown.

Dimensions

PropertyMetricImperial
Depth, d88.9 mm3.5 in
Width102 mm4 in
Thickness, t7.94 mm0.313 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ1,470,000 mm⁴3.53 in⁴
Elastic modulus, Sₓ20,500 mm³1.25 in³
Plastic modulus, Zₓ36,700 mm³2.24 in³
Radius of gyration, rₓ31.8 mm1.25 in
Distance to top fibre59.2 mm2.33 in
Distance to bottom fibre29.7 mm1.17 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y1,050,000 mm⁴2.52 in⁴
Elastic modulus, S_y16,100 mm³0.98 in³
Plastic modulus, Z_y28,500 mm³1.74 in³
Radius of gyration, r_y26.9 mm1.06 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J32,500 mm⁴0.0782 in⁴
Warping constant, C_w21,400,000 mm⁶0.0798 in⁶

Mass

PropertyMetricImperial
Mass per metre11.4 kg/m7.7 lb/ft
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