RHS · EN 10210 · hot finished

RHS 140×80/4

RHS 140×80/4 is a hot-finished rectangular hollow section per EN 10210: height 140 mm, width 80 mm, wall thickness 4 mm, weight 13.2 kg/m, cross-section area 16.8 cm², moment of inertia Iy = 440.6 cm⁴, elastic section modulus Wel,y = 62.9 cm³.

Cross section · mm

140Height h · mm

80Width b · mm

16.79Area A · cm²

13.20Mass G · kg/m

Geometry

Height h140.00 mm

Width b80.00 mm

Wall thickness t4.00 mm

Outer corner radius r_o6.00 mm

Inner corner radius r_i4.00 mm

Cross-section area A16.790 cm²

Weight G
steel 7850 kg/m³13.20kg/m

Section properties

I440.600 cm⁴183.800 cm⁴

W_el62.940 cm³45.960 cm³

W_pl77.140 cm³52.220 cm³

I_t410.700 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 140×80/4 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/ 21.2 kN·m

Shear/ 169.6 kN

Compression/ 132.5 kN

Steelγ_M0γ_M1L_crmmkClass1 / 2bending / compression

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl21.2 kN·m / 14.4 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1068 mm²169.6 kN / 96.9 kN

N_pl,Rd / N_b,Rd461.7 kN / 132.5 kN

N_cr,y / N_cr,z365.3 kN / 152.4 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.29

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.