RHS · EN 10219 · cold formed

RHS 160×80/12.5

RHS 160×80/12.5 is a cold-formed rectangular hollow section per EN 10219: height 160 mm, width 80 mm, wall thickness 12.5 mm, weight 36.9 kg/m, cross-section area 47 cm², moment of inertia Iy = 1185 cm⁴, elastic section modulus Wel,y = 148.1 cm³.

Cross section · mm

160Height h · mm

80Width b · mm

47.04Area A · cm²

36.90Mass G · kg/m

Geometry

Height h160.00 mm

Width b80.00 mm

Wall thickness t12.50 mm

Outer corner radius r_o37.50 mm

Inner corner radius r_i25.00 mm

Cross-section area A47.040 cm²

Weight G
steel 7850 kg/m³36.90kg/m

Section properties

I1 185.000 cm⁴395.800 cm⁴

W_el148.100 cm³98.940 cm³

W_pl208.200 cm³127.500 cm³

I_t1 129.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 160×80/12.5 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/ 57.3 kN·m

Shear/ 497.9 kN

Compression/ 257.0 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl57.3 kN·m / 35.1 kN·m

V_c,z,Rd / V_c,y,RdA_v = 3136 mm²497.9 kN / 249.0 kN

N_pl,Rd / N_b,Rd1.29 MN / 257.0 kN

N_cr,y / N_cr,z982.4 kN / 328.1 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.20

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.