L4x3-1/2x1/2

Angles from AISC Shapes Database v16.0. Also designated L102X89X12.7.

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, t12.7 mm0.5 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ2,210,000 mm⁴5.3 in⁴
Elastic modulus, Sₓ31,500 mm³1.92 in³
Plastic modulus, Zₓ56,700 mm³3.46 in³
Radius of gyration, rₓ31.2 mm1.23 in
Distance to top fibre57.4 mm2.26 in
Distance to bottom fibre31.5 mm1.24 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y1,570,000 mm⁴3.76 in⁴
Elastic modulus, S_y24,600 mm³1.5 in³
Plastic modulus, Z_y44,100 mm³2.69 in³
Radius of gyration, r_y26.4 mm1.04 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J125,000 mm⁴0.301 in⁴
Warping constant, C_w81,100,000 mm⁶0.302 in⁶

Mass

PropertyMetricImperial
Mass per metre17.6 kg/m11.9 lb/ft
Analyse a beam with this section
↑↓ to move · ↵ to open · esc to close⌘K