RHS · EN 10219 · cold formed

RHS 140×80/6.3

RHS 140×80/6.3 is a cold-formed rectangular hollow section per EN 10219: height 140 mm, width 80 mm, wall thickness 6.3 mm, weight 19.4 kg/m, cross-section area 24.8 cm², moment of inertia Iy = 602.7 cm⁴, elastic section modulus Wel,y = 86.1 cm³.

Cross section · mm

140Height h · mm

80Width b · mm

24.77Area A · cm²

19.40Mass G · kg/m

Geometry

Height h140.00 mm

Width b80.00 mm

Wall thickness t6.30 mm

Outer corner radius r_o15.75 mm

Inner corner radius r_i9.45 mm

Cross-section area A24.770 cm²

Weight G
steel 7850 kg/m³19.40kg/m

Section properties

I602.700 cm⁴251.400 cm⁴

W_el86.100 cm³62.850 cm³

W_pl109.100 cm³73.970 cm³

I_t608.500 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 140×80/6.3 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/ 30.0 kN·m

Shear/ 250.3 kN

Compression/ 158.6 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl30.0 kN·m / 20.3 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1576 mm²250.3 kN / 143.0 kN

N_pl,Rd / N_b,Rd681.2 kN / 158.6 kN

N_cr,y / N_cr,z499.7 kN / 208.4 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.23

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.