RHS · EN 10219 · cold formed

RHS 140×80/5

RHS 140×80/5 is a cold-formed rectangular hollow section per EN 10219: height 140 mm, width 80 mm, wall thickness 5 mm, weight 16 kg/m, cross-section area 20.4 cm², moment of inertia Iy = 517.1 cm⁴, elastic section modulus Wel,y = 73.9 cm³.

Cross section · mm
yz801405[mm]
140Height h · mm
80Width b · mm
20.36Area A · cm²
16.00Mass G · kg/m
Geometry
Height h140.00 mm
Width b80.00 mm
Wall thickness t5.00 mm
Outer corner radius ro10.00 mm
Inner corner radius ri5.00 mm
Cross-section area A20.360 cm²
Weight G
steel 7850 kg/m³16.00kg/m
Section properties
I517.100 cm⁴215.900 cm⁴
Wel73.870 cm³53.990 cm³
Wpl91.800 cm³62.240 cm³
It500.500 cm⁴
Reference
Profile standardEN 10219
EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 140×80/5 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/ 25.2 kN·m
Shear/ 205.7 kN
Compression/ 135.2 kN
Class1
Resistances and factors
Mc,y,Rd / Mc,z,RdW_pl25.2 kN·m / 17.1 kN·m
Vc,z,Rd / Vc,y,RdA_v = 1296 mm²205.7 kN / 117.5 kN
Npl,Rd / Nb,Rd559.9 kN / 135.2 kN
Ncr,y / Ncr,z428.7 kN / 179.0 kN
fyEN 10219-1275 MPa
γM0 / γM11.00 / 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.