RHS · EN 10219 · cold formed

RHS 70×50/5

RHS 70×50/5 is a cold-formed rectangular hollow section per EN 10219: height 70 mm, width 50 mm, wall thickness 5 mm, weight 8.1 kg/m, cross-section area 10.4 cm², moment of inertia Iy = 63.5 cm⁴, elastic section modulus Wel,y = 18.1 cm³.

Cross section · mm
yz50705[mm]
70Height h · mm
50Width b · mm
10.36Area A · cm²
8.13Mass G · kg/m
Geometry
Height h70.00 mm
Width b50.00 mm
Wall thickness t5.00 mm
Outer corner radius ro10.00 mm
Inner corner radius ri5.00 mm
Cross-section area A10.360 cm²
Weight G
steel 7850 kg/m³8.13kg/m
Section properties
I63.460 cm⁴37.200 cm⁴
Wel18.130 cm³14.880 cm³
Wpl23.060 cm³18.200 cm³
It80.770 cm⁴
Reference
Profile standardEN 10219
EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 70×50/5 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/ 6.3 kN·m
Shear/ 96.0 kN
Compression/ 26.4 kN
Class1
Resistances and factors
Mc,y,Rd / Mc,z,RdW_pl6.3 kN·m / 5.0 kN·m
Vc,z,Rd / Vc,y,RdA_v = 604 mm²96.0 kN / 68.5 kN
Npl,Rd / Nb,Rd284.9 kN / 26.4 kN
Ncr,y / Ncr,z52.6 kN / 30.8 kN
fyEN 10219-1275 MPa
γM0 / γM11.00 / 1.00
Curve c · χ0.09

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.