CHS · EN 10210 · hot finished

CHS 168.3/12.5

CHS 168.3/12.5 is a hot-finished circular hollow section per EN 10210: outer diameter 168.3 mm, wall thickness 12.5 mm, weight 48 kg/m, cross-section area 61.2 cm², moment of inertia Iy = 1868 cm⁴, elastic section modulus Wel,y = 222 cm³.

Cross section · mm

168.3Outer diameter d · mm

12.5Wall thickness t · mm

61.18Area A · cm²

48.00Mass G · kg/m

Geometry

Outer diameter d168.30 mm

Wall thickness t12.50 mm

Cross-section area A61.180 cm²

Weight G
steel 7850 kg/m³48.00kg/m

Section properties

Moment of inertia I1 868.000 cm⁴

W_el222.000 cm³

W_pl304.100 cm³

Radius of gyration i55.30 mm

Torsion constant I_t3 737.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 168.3/12.5 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/ 83.6 kN·m

Shear/ 618.4 kN

Compression/ 1.07 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl83.6 kN·m / 83.6 kN·m

V_c,z,Rd / V_c,y,RdA_v = 3895 mm²618.4 kN / 618.4 kN

N_pl,Rd / N_b,Rd1.68 MN / 1.07 MN

N_cr,y / N_cr,z1.55 MN / 1.55 MN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.64

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.