CHS · EN 10219 · cold formed

CHS 168.3/8

CHS 168.3/8 is a cold-formed circular hollow section per EN 10219: outer diameter 168.3 mm, wall thickness 8 mm, weight 31.6 kg/m, cross-section area 40.3 cm², moment of inertia Iy = 1297 cm⁴, elastic section modulus Wel,y = 154.2 cm³.

Cross section · mm

168.3Outer diameter d · mm

8Wall thickness t · mm

40.29Area A · cm²

31.60Mass G · kg/m

Geometry

Outer diameter d168.30 mm

Wall thickness t8.00 mm

Cross-section area A40.290 cm²

Weight G
steel 7850 kg/m³31.60kg/m

Section properties

Moment of inertia I1 297.000 cm⁴

W_el154.200 cm³

W_pl205.700 cm³

Radius of gyration i56.70 mm

Torsion constant I_t2 595.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 168.3/8 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/ 56.6 kN·m

Shear/ 407.2 kN

Compression/ 588.6 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl56.6 kN·m / 56.6 kN·m

V_c,z,Rd / V_c,y,RdA_v = 2565 mm²407.2 kN / 407.2 kN

N_pl,Rd / N_b,Rd1.11 MN / 588.6 kN

N_cr,y / N_cr,z1.08 MN / 1.08 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.53

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.