RHS 120×80×5.6

Rectangular hollow sections from British-Sections-1 and Eurocode 3 UK shared angle/hollow tables.

80 mm120 mm

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

Dimensions

PropertyMetricImperial
Height120 mm4.7244 in
Width80 mm3.1496 in
Thickness, t5.6 mm0.220472 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ4,010,000 mm⁴9.6341 in⁴
Elastic modulus, Sₓ66,800 mm³4.0764 in³
Plastic modulus, Zₓ82,300 mm³5.0223 in³
Radius of gyration, rₓ43.9 mm1.7283 in
Distance to top fibre60 mm2.3622 in
Distance to bottom fibre60 mm2.3622 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y2,110,000 mm⁴5.0693 in⁴
Elastic modulus, S_y52,700 mm³3.216 in³
Plastic modulus, Z_y61,800 mm³3.7713 in³
Radius of gyration, r_y31.8 mm1.252 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J4,420,000 mm⁴10.6191 in⁴

Mass

PropertyMetricImperial
Mass per metre16.3 kg/m10.9531 lb/ft
Analyse a beam with this section
↑↓ to move · ↵ to open · esc to close⌘K