CHS · EN 10219 · cold formed

CHS 168.3/3

CHS 168.3/3 is a cold-formed circular hollow section per EN 10219: outer diameter 168.3 mm, wall thickness 3 mm, weight 12.2 kg/m, cross-section area 15.6 cm², moment of inertia Iy = 532.3 cm⁴, elastic section modulus Wel,y = 63.3 cm³.

Cross section · mm

168.3Outer diameter d · mm

3Wall thickness t · mm

15.58Area A · cm²

12.20Mass G · kg/m

Geometry

Outer diameter d168.30 mm

Wall thickness t3.00 mm

Cross-section area A15.580 cm²

Weight G
steel 7850 kg/m³12.20kg/m

Section properties

Moment of inertia I532.300 cm⁴

W_el63.250 cm³

W_pl81.980 cm³

Radius of gyration i58.50 mm

Torsion constant I_t1 065.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 168.3/3 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/ 22.5 kN·m

Shear/ 157.5 kN

Compression/ 235.0 kN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl22.5 kN·m / 22.5 kN·m

V_c,z,Rd / V_c,y,RdA_v = 992 mm²157.5 kN / 157.5 kN

N_pl,Rd / N_b,Rd428.4 kN / 235.0 kN

N_cr,y / N_cr,z441.3 kN / 441.3 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.55

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.