RHS · EN 10219 · cold formed

RHS 100×80/6.3

RHS 100×80/6.3 is a cold-formed rectangular hollow section per EN 10219: height 100 mm, width 80 mm, wall thickness 6.3 mm, weight 15.5 kg/m, cross-section area 19.7 cm², moment of inertia Iy = 258.8 cm⁴, elastic section modulus Wel,y = 51.8 cm³.

Cross section · mm
yz801006.3[mm]
100Height h · mm
80Width b · mm
19.73Area A · cm²
15.50Mass G · kg/m
Geometry
Height h100.00 mm
Width b80.00 mm
Wall thickness t6.30 mm
Outer corner radius ro15.75 mm
Inner corner radius ri9.45 mm
Cross-section area A19.730 cm²
Weight G
steel 7850 kg/m³15.50kg/m
Section properties
I258.800 cm⁴182.800 cm⁴
Wel51.750 cm³45.700 cm³
Wpl64.580 cm³55.390 cm³
It371.400 cm⁴
Reference
Profile standardEN 10219
EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 100×80/6.3 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/ 17.8 kN·m
Shear/ 174.0 kN
Compression/ 117.0 kN
Class1
Resistances and factors
Mc,y,Rd / Mc,z,RdW_pl17.8 kN·m / 15.2 kN·m
Vc,z,Rd / Vc,y,RdA_v = 1096 mm²174.0 kN / 139.2 kN
Npl,Rd / Nb,Rd542.6 kN / 117.0 kN
Ncr,y / Ncr,z214.6 kN / 151.5 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.