RHS · EN 10219 · cold formed

RHS 180×100/8

RHS 180×100/8 is a cold-formed rectangular hollow section per EN 10219: height 180 mm, width 100 mm, wall thickness 8 mm, weight 31.4 kg/m, cross-section area 40 cm², moment of inertia Iy = 1598 cm⁴, elastic section modulus Wel,y = 177.6 cm³.

Cross section · mm

180Height h · mm

100Width b · mm

40.04Area A · cm²

31.40Mass G · kg/m

Geometry

Height h180.00 mm

Width b100.00 mm

Wall thickness t8.00 mm

Outer corner radius r_o20.00 mm

Inner corner radius r_i12.00 mm

Cross-section area A40.040 cm²

Weight G
steel 7850 kg/m³31.40kg/m

Section properties

I1 598.000 cm⁴637.500 cm⁴

W_el177.600 cm³127.500 cm³

W_pl225.600 cm³149.900 cm³

I_t1 565.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 180×100/8 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/ 62.0 kN·m

Shear/ 408.7 kN

Compression/ 367.3 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl62.0 kN·m / 41.2 kN·m

V_c,z,Rd / V_c,y,RdA_v = 2574 mm²408.7 kN / 227.0 kN

N_pl,Rd / N_b,Rd1.10 MN / 367.3 kN

N_cr,y / N_cr,z1.32 MN / 528.5 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.33

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.