50×20×2.3 RHS

Rectangular hollow sections from Australian-Sections.xlsx (Sheets 1-19).

20 mm50 mm

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

Dimensions

PropertyMetricImperial
Height50 mm1.9685 in
Width20 mm0.787402 in
Thickness, t2.3 mm0.090551 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ80,000 mm⁴0.192201 in⁴
Elastic modulus, Sₓ3,200 mm³0.195276 in³
Plastic modulus, Zₓ4,230 mm³0.25813 in³
Radius of gyration, rₓ16.6957 mm0.65731 in
Distance to top fibre25 mm0.984252 in
Distance to bottom fibre25 mm0.984252 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y18,300 mm⁴0.043966 in⁴
Elastic modulus, S_y1,830 mm³0.111673 in³
Plastic modulus, Z_y2,180 mm³0.133032 in³
Radius of gyration, r_y7.9852 mm0.314377 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J51,800 mm⁴0.12445 in⁴

Mass

PropertyMetricImperial
Mass per metre2.253 kg/m1.5139 lb/ft
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