HE 900 AA

HE wide flange sections from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.

300 mm870 mm

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

Dimensions

PropertyMetricImperial
Depth, d870 mm34.252 in
Flange width, b_f300 mm11.811 in
Web thickness, t_w15 mm0.590551 in
Flange thickness, t_f20 mm0.787402 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ3.01000e+9 mm⁴7,231.554 in⁴
Elastic modulus, Sₓ6,920,000 mm³422.2843 in³
Plastic modulus, Zₓ8,000,000 mm³488.19 in³
Radius of gyration, rₓ346 mm13.622 in
Distance to top fibre435 mm17.126 in
Distance to bottom fibre435 mm17.126 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y90,400,000 mm⁴217.1869 in⁴
Elastic modulus, S_y603,000 mm³36.7973 in³
Plastic modulus, Z_y958,000 mm³58.4607 in³
Radius of gyration, r_y59.9 mm2.3583 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J3,220,000 mm⁴7.7361 in⁴
Warping constant, C_w1.63000e+13 mm⁶60,699.527 in⁶

Mass

PropertyMetricImperial
Mass per metre198 kg/m133.0499 lb/ft
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