RHS · EN 10210 · hot finished

RHS 120×80/8

RHS 120×80/8 is a hot-finished rectangular hollow section per EN 10210: height 120 mm, width 80 mm, wall thickness 8 mm, weight 22.6 kg/m, cross-section area 28.8 cm², moment of inertia Iy = 525.3 cm⁴, elastic section modulus Wel,y = 87.5 cm³.

Cross section · mm

120Height h · mm

80Width b · mm

28.75Area A · cm²

22.60Mass G · kg/m

Geometry

Height h120.00 mm

Width b80.00 mm

Wall thickness t8.00 mm

Outer corner radius r_o12.00 mm

Inner corner radius r_i8.00 mm

Cross-section area A28.750 cm²

Weight G
steel 7850 kg/m³22.60kg/m

Section properties

I525.300 cm⁴272.600 cm⁴

W_el87.540 cm³68.140 cm³

W_pl110.600 cm³82.550 cm³

I_t586.600 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 120×80/8 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/ 30.4 kN·m

Shear/ 273.9 kN

Compression/ 199.3 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl30.4 kN·m / 22.7 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1725 mm²273.9 kN / 182.6 kN

N_pl,Rd / N_b,Rd790.6 kN / 199.3 kN

N_cr,y / N_cr,z435.5 kN / 226.0 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.25

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.