CHS · EN 10210 · hot finished

CHS 168.3/4

CHS 168.3/4 is a hot-finished circular hollow section per EN 10210: outer diameter 168.3 mm, wall thickness 4 mm, weight 16.2 kg/m, cross-section area 20.7 cm², moment of inertia Iy = 697.1 cm⁴, elastic section modulus Wel,y = 82.8 cm³.

Cross section · mm
yz168.34[mm]
168.3Outer diameter d · mm
4Wall thickness t · mm
20.65Area A · cm²
16.20Mass G · kg/m
Geometry
Outer diameter d168.30 mm
Wall thickness t4.00 mm
Cross-section area A20.650 cm²
Weight G
steel 7850 kg/m³16.20kg/m
Section properties
Moment of inertia I697.100 cm⁴
Wel82.840 cm³
Wpl108.000 cm³
Radius of gyration i58.10 mm
Torsion constant It1 394.000 cm⁴
Reference
Profile standardEN 10210
EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 168.3/4 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/ 29.7 kN·m
Shear/ 208.7 kN
Compression/ 381.4 kN
Class1
Resistances and factors
Mc,y,Rd / Mc,z,RdW_pl29.7 kN·m / 29.7 kN·m
Vc,z,Rd / Vc,y,RdA_v = 1315 mm²208.7 kN / 208.7 kN
Npl,Rd / Nb,Rd567.9 kN / 381.4 kN
Ncr,y / Ncr,z577.9 kN / 577.9 kN
fyEN 10210-1275 MPa
γM0 / γM11.00 / 1.00
Curve a · χ0.67

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.