RHS · EN 10219 · cold formed

RHS 100×80/6

RHS 100×80/6 is a cold-formed rectangular hollow section per EN 10219: height 100 mm, width 80 mm, wall thickness 6 mm, weight 15.1 kg/m, cross-section area 19.2 cm², moment of inertia Iy = 258.4 cm⁴, elastic section modulus Wel,y = 51.7 cm³.

Cross section · mm

100Height h · mm

80Width b · mm

19.23Area A · cm²

15.10Mass G · kg/m

Geometry

Height h100.00 mm

Width b80.00 mm

Wall thickness t6.00 mm

Outer corner radius r_o12.00 mm

Inner corner radius r_i6.00 mm

Cross-section area A19.230 cm²

Weight G
steel 7850 kg/m³15.10kg/m

Section properties

I258.400 cm⁴182.100 cm⁴

W_el51.680 cm³45.530 cm³

W_pl63.820 cm³54.670 cm³

I_t357.400 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 100×80/6 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/ 17.6 kN·m

Shear/ 169.6 kN

Compression/ 116.2 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl17.6 kN·m / 15.0 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1068 mm²169.6 kN / 135.7 kN

N_pl,Rd / N_b,Rd528.8 kN / 116.2 kN

N_cr,y / N_cr,z214.2 kN / 151.0 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.22

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.