RHS · EN 10219 · cold formed

RHS 140×80/8

RHS 140×80/8 is a cold-formed rectangular hollow section per EN 10219: height 140 mm, width 80 mm, wall thickness 8 mm, weight 23.9 kg/m, cross-section area 30.4 cm², moment of inertia Iy = 708.1 cm⁴, elastic section modulus Wel,y = 101.2 cm³.

Cross section · mm
yz801408[mm]
140Height h · mm
80Width b · mm
30.44Area A · cm²
23.90Mass G · kg/m
Geometry
Height h140.00 mm
Width b80.00 mm
Wall thickness t8.00 mm
Outer corner radius ro20.00 mm
Inner corner radius ri12.00 mm
Cross-section area A30.440 cm²
Weight G
steel 7850 kg/m³23.90kg/m
Section properties
I708.100 cm⁴293.300 cm⁴
Wel101.200 cm³73.330 cm³
Wpl130.800 cm³88.450 cm³
It731.400 cm⁴
Reference
Profile standardEN 10219
EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 140×80/8 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/ 36.0 kN·m
Shear/ 307.6 kN
Compression/ 186.6 kN
Class1
Resistances and factors
Mc,y,Rd / Mc,z,RdW_pl36.0 kN·m / 24.3 kN·m
Vc,z,Rd / Vc,y,RdA_v = 1937 mm²307.6 kN / 175.7 kN
Npl,Rd / Nb,Rd837.1 kN / 186.6 kN
Ncr,y / Ncr,z587.0 kN / 243.2 kN
fyEN 10219-1275 MPa
γM0 / γM11.00 / 1.00
Curve c · χ0.22

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.