RHS · EN 10210 · hot finished

RHS 90×50/3.2

RHS 90×50/3.2 is a hot-finished rectangular hollow section per EN 10210: height 90 mm, width 50 mm, wall thickness 3.2 mm, weight 6.6 kg/m, cross-section area 8.4 cm², moment of inertia Iy = 89.1 cm⁴, elastic section modulus Wel,y = 19.8 cm³.

Cross section · mm

90Height h · mm

50Width b · mm

8.44Area A · cm²

6.63Mass G · kg/m

Geometry

Height h90.00 mm

Width b50.00 mm

Wall thickness t3.20 mm

Outer corner radius r_o4.80 mm

Inner corner radius r_i3.20 mm

Cross-section area A8.440 cm²

Weight G
steel 7850 kg/m³6.63kg/m

Section properties

I89.130 cm⁴35.270 cm⁴

W_el19.810 cm³14.110 cm³

W_pl24.560 cm³16.230 cm³

I_t80.870 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 90×50/3.2 for your design forces

Find the lightest section Compare sections

Enter the design loads and the section is checked for bending, shear and compression with flexural buckling.

Bending/ 6.8 kN·m

Shear/ 86.1 kN

Compression/ 27.1 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl6.8 kN·m / 4.5 kN·m

V_c,z,Rd / V_c,y,RdA_v = 543 mm²86.1 kN / 47.9 kN

N_pl,Rd / N_b,Rd232.1 kN / 27.1 kN

N_cr,y / N_cr,z73.9 kN / 29.2 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.12

Yield strength is taken from the product standard for the governing thickness, so above 16 mm it is lower than the nominal grade. Simplified checks per EN 1993-1-1, without M+N+V interaction, without lateral-torsional buckling and without web shear buckling. Verify with a full design.