RHS · EN 10219 · cold formed

RHS 180×100/5

RHS 180×100/5 is a cold-formed rectangular hollow section per EN 10219: height 180 mm, width 100 mm, wall thickness 5 mm, weight 20.7 kg/m, cross-section area 26.4 cm², moment of inertia Iy = 1124 cm⁴, elastic section modulus Wel,y = 124.9 cm³.

Cross section · mm

180Height h · mm

100Width b · mm

26.36Area A · cm²

20.70Mass G · kg/m

Geometry

Height h180.00 mm

Width b100.00 mm

Wall thickness t5.00 mm

Outer corner radius r_o10.00 mm

Inner corner radius r_i5.00 mm

Cross-section area A26.360 cm²

Weight G
steel 7850 kg/m³20.70kg/m

Section properties

I1 124.000 cm⁴451.800 cm⁴

W_el124.900 cm³90.350 cm³

W_pl154.000 cm³102.600 cm³

I_t1 045.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 180×100/5 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/ 42.4 kN·m

Shear/ 269.0 kN

Compression/ 255.5 kN

Steelγ_M0γ_M1L_crmmkClass1 / 2bending / compression

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl42.4 kN·m / 28.2 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1695 mm²269.0 kN / 149.5 kN

N_pl,Rd / N_b,Rd724.9 kN / 255.5 kN

N_cr,y / N_cr,z931.8 kN / 374.6 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.35

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.