RHS · EN 10210 · hot finished

RHS 90×50/6.3

RHS 90×50/6.3 is a hot-finished rectangular hollow section per EN 10210: height 90 mm, width 50 mm, wall thickness 6.3 mm, weight 12.3 kg/m, cross-section area 15.6 cm², moment of inertia Iy = 149.9 cm⁴, elastic section modulus Wel,y = 33.3 cm³.

Cross section · mm

90Height h · mm

50Width b · mm

15.63Area A · cm²

12.30Mass G · kg/m

Geometry

Height h90.00 mm

Width b50.00 mm

Wall thickness t6.30 mm

Outer corner radius r_o9.45 mm

Inner corner radius r_i6.30 mm

Cross-section area A15.630 cm²

Weight G
steel 7850 kg/m³12.30kg/m

Section properties

I149.900 cm⁴56.990 cm⁴

W_el33.300 cm³22.800 cm³

W_pl43.220 cm³28.020 cm³

I_t137.700 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 90×50/6.3 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/ 11.9 kN·m

Shear/ 159.5 kN

Compression/ 44.1 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl11.9 kN·m / 7.7 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1005 mm²159.5 kN / 88.6 kN

N_pl,Rd / N_b,Rd429.8 kN / 44.1 kN

N_cr,y / N_cr,z124.3 kN / 47.2 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.10

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.