L4x3-1/2x1/4

Angles from AISC Shapes Database v16.0. Also designated L102X89X6.4.

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, t6.35 mm0.25 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ1,200,000 mm⁴2.89 in⁴
Elastic modulus, Sₓ16,600 mm³1.01 in³
Plastic modulus, Zₓ29,700 mm³1.81 in³
Radius of gyration, rₓ32 mm1.26 in
Distance to top fibre59.9 mm2.36 in
Distance to bottom fibre29 mm1.14 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y862,000 mm⁴2.07 in⁴
Elastic modulus, S_y13,000 mm³0.794 in³
Plastic modulus, Z_y22,900 mm³1.4 in³
Radius of gyration, r_y27.2 mm1.07 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J17,100 mm⁴0.0412 in⁴
Warping constant, C_w11,300,000 mm⁶0.0419 in⁶

Mass

PropertyMetricImperial
Mass per metre9.2 kg/m6.2 lb/ft
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