RHS · EN 10219 · cold formed

RHS 160×80/4

RHS 160×80/4 is a cold-formed rectangular hollow section per EN 10219: height 160 mm, width 80 mm, wall thickness 4 mm, weight 14.2 kg/m, cross-section area 18.2 cm², moment of inertia Iy = 597.7 cm⁴, elastic section modulus Wel,y = 74.7 cm³.

Cross section · mm

160Height h · mm

80Width b · mm

18.15Area A · cm²

14.20Mass G · kg/m

Geometry

Height h160.00 mm

Width b80.00 mm

Wall thickness t4.00 mm

Outer corner radius r_o8.00 mm

Inner corner radius r_i4.00 mm

Cross-section area A18.150 cm²

Weight G
steel 7850 kg/m³14.20kg/m

Section properties

I597.700 cm⁴203.500 cm⁴

W_el74.710 cm³50.890 cm³

W_pl92.860 cm³57.390 cm³

I_t494.100 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 160×80/4 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/ 25.5 kN·m

Shear/ 192.1 kN

Compression/ 126.2 kN

Steelγ_M0γ_M1L_crmmkClass1 / 3bending / compression

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl25.5 kN·m / 15.8 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1210 mm²192.1 kN / 96.1 kN

N_pl,Rd / N_b,Rd499.1 kN / 126.2 kN

N_cr,y / N_cr,z495.5 kN / 168.7 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.25

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.