CHS · EN 10210 · hot finished

CHS 168.3/5

CHS 168.3/5 is a hot-finished circular hollow section per EN 10210: outer diameter 168.3 mm, wall thickness 5 mm, weight 20.1 kg/m, cross-section area 25.7 cm², moment of inertia Iy = 855.8 cm⁴, elastic section modulus Wel,y = 101.7 cm³.

Cross section · mm

168.3Outer diameter d · mm

5Wall thickness t · mm

25.65Area A · cm²

20.10Mass G · kg/m

Geometry

Outer diameter d168.30 mm

Wall thickness t5.00 mm

Cross-section area A25.650 cm²

Weight G
steel 7850 kg/m³20.10kg/m

Section properties

Moment of inertia I855.800 cm⁴

W_el101.700 cm³

W_pl133.400 cm³

Radius of gyration i57.80 mm

Torsion constant I_t1 712.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 168.3/5 for your design forces

Find the lightest section Compare sections

Enter the design loads and the section is checked for bending, shear and compression with flexural buckling.

Bending/ 36.7 kN·m

Shear/ 259.3 kN

Compression/ 470.9 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl36.7 kN·m / 36.7 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1633 mm²259.3 kN / 259.3 kN

N_pl,Rd / N_b,Rd705.4 kN / 470.9 kN

N_cr,y / N_cr,z709.5 kN / 709.5 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 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.