RHS · EN 10210 · hot finished

RHS 140×80/8

RHS 140×80/8 is a hot-finished rectangular hollow section per EN 10210: height 140 mm, width 80 mm, wall thickness 8 mm, weight 25.1 kg/m, cross-section area 32 cm², moment of inertia Iy = 776.3 cm⁴, elastic section modulus Wel,y = 110.9 cm³.

Cross section · mm

140Height h · mm

80Width b · mm

31.95Area A · cm²

25.10Mass G · kg/m

Geometry

Height h140.00 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 A31.950 cm²

Weight G
steel 7850 kg/m³25.10kg/m

Section properties

I776.300 cm⁴314.200 cm⁴

W_el110.900 cm³78.550 cm³

W_pl141.000 cm³94.070 cm³

I_t732.900 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 140×80/8 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/ 38.8 kN·m

Shear/ 322.8 kN

Compression/ 228.9 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl38.8 kN·m / 25.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 2033 mm²322.8 kN / 184.5 kN

N_pl,Rd / N_b,Rd878.6 kN / 228.9 kN

N_cr,y / N_cr,z643.6 kN / 260.5 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.26

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.