RHS · EN 10219 · cold formed

RHS 120×80/6

RHS 120×80/6 is a cold-formed rectangular hollow section per EN 10219: height 120 mm, width 80 mm, wall thickness 6 mm, weight 17 kg/m, cross-section area 21.6 cm², moment of inertia Iy = 406.1 cm⁴, elastic section modulus Wel,y = 67.7 cm³.

Cross section · mm
yz801206[mm]
120Height h · mm
80Width b · mm
21.63Area A · cm²
17.00Mass G · kg/m
Geometry
Height h120.00 mm
Width b80.00 mm
Wall thickness t6.00 mm
Outer corner radius ro12.00 mm
Inner corner radius ri6.00 mm
Cross-section area A21.630 cm²
Weight G
steel 7850 kg/m³17.00kg/m
Section properties
I406.100 cm⁴215.000 cm⁴
Wel67.680 cm³53.760 cm³
Wpl84.250 cm³63.550 cm³
It468.500 cm⁴
Reference
Profile standardEN 10219
EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 120×80/6 for your design forces

Find the lightest sectionCompare sections

Enter the design loads and the section is checked for bending, shear and compression with flexural buckling.

Bending/ 23.2 kN·m
Shear/ 206.1 kN
Compression/ 136.1 kN
Class1
Resistances and factors
Mc,y,Rd / Mc,z,RdW_pl23.2 kN·m / 17.5 kN·m
Vc,z,Rd / Vc,y,RdA_v = 1298 mm²206.1 kN / 137.4 kN
Npl,Rd / Nb,Rd594.8 kN / 136.1 kN
Ncr,y / Ncr,z336.7 kN / 178.2 kN
fyEN 10219-1275 MPa
γM0 / γM11.00 / 1.00
Curve c · χ0.23

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.