125×75×3.0 RHS

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

75 mm125 mm

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

Dimensions

PropertyMetricImperial
Height125 mm4.9213 in
Width75 mm2.9528 in
Thickness, t3 mm0.11811 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ2,430,000 mm⁴5.8381 in⁴
Elastic modulus, Sₓ38,880 mm³2.3726 in³
Plastic modulus, Zₓ47,300 mm³2.8864 in³
Radius of gyration, rₓ46.169 mm1.8177 in
Distance to top fibre62.5 mm2.4606 in
Distance to bottom fibre62.5 mm2.4606 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y1,110,000 mm⁴2.6668 in⁴
Elastic modulus, S_y29,600 mm³1.8063 in³
Plastic modulus, Z_y33,300 mm³2.0321 in³
Radius of gyration, r_y31.2039 mm1.2285 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J2,430,000 mm⁴5.8381 in⁴

Mass

PropertyMetricImperial
Mass per metre8.949 kg/m6.0135 lb/ft
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