RHS · EN 10219 · cold formed

RHS 140×80/4

RHS 140×80/4 is a cold-formed rectangular hollow section per EN 10219: height 140 mm, width 80 mm, wall thickness 4 mm, weight 13 kg/m, cross-section area 16.6 cm², moment of inertia Iy = 429.6 cm⁴, elastic section modulus Wel,y = 61.4 cm³.

Cross section · mm
yz801404[mm]
140Height h · mm
80Width b · mm
16.55Area A · cm²
13.00Mass G · kg/m
Geometry
Height h140.00 mm
Width b80.00 mm
Wall thickness t4.00 mm
Outer corner radius ro8.00 mm
Inner corner radius ri4.00 mm
Cross-section area A16.550 cm²
Weight G
steel 7850 kg/m³13.00kg/m
Section properties
I429.600 cm⁴180.400 cm⁴
Wel61.370 cm³45.100 cm³
Wpl75.510 cm³51.310 cm³
It411.600 cm⁴
Reference
Profile standardEN 10219
EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 140×80/4 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/ 20.8 kN·m
Shear/ 167.2 kN
Compression/ 112.4 kN
Class1 / 2bending / compression
Resistances and factors
Mc,y,Rd / Mc,z,RdW_pl20.8 kN·m / 14.1 kN·m
Vc,z,Rd / Vc,y,RdA_v = 1053 mm²167.2 kN / 95.6 kN
Npl,Rd / Nb,Rd455.1 kN / 112.4 kN
Ncr,y / Ncr,z356.2 kN / 149.6 kN
fyEN 10219-1275 MPa
γM0 / γM11.00 / 1.00
Curve c · χ0.25

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.