RHS · EN 10219 · cold formed

RHS 160×80/6.3

RHS 160×80/6.3 is a cold-formed rectangular hollow section per EN 10219: height 160 mm, width 80 mm, wall thickness 6.3 mm, weight 21.4 kg/m, cross-section area 27.3 cm², moment of inertia Iy = 846.5 cm⁴, elastic section modulus Wel,y = 105.8 cm³.

Cross section · mm

160Height h · mm

80Width b · mm

27.29Area A · cm²

21.40Mass G · kg/m

Geometry

Height h160.00 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 A27.290 cm²

Weight G
steel 7850 kg/m³21.40kg/m

Section properties

I846.500 cm⁴285.700 cm⁴

W_el105.800 cm³71.430 cm³

W_pl135.100 cm³83.250 cm³

I_t732.300 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 160×80/6.3 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/ 37.2 kN·m

Shear/ 288.9 kN

Compression/ 179.3 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl37.2 kN·m / 22.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1819 mm²288.9 kN / 144.4 kN

N_pl,Rd / N_b,Rd750.5 kN / 179.3 kN

N_cr,y / N_cr,z701.8 kN / 236.9 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.24

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.