CHS · EN 10210 · hot finished

CHS 323.9/10

CHS 323.9/10 is a hot-finished circular hollow section per EN 10210: outer diameter 323.9 mm, wall thickness 10 mm, weight 77.4 kg/m, cross-section area 98.6 cm², moment of inertia Iy = 12160 cm⁴, elastic section modulus Wel,y = 750.7 cm³.

Cross section · mm

323.9Outer diameter d · mm

10Wall thickness t · mm

98.61Area A · cm²

77.40Mass G · kg/m

Geometry

Outer diameter d323.90 mm

Wall thickness t10.00 mm

Cross-section area A98.610 cm²

Weight G
steel 7850 kg/m³77.40kg/m

Section properties

Moment of inertia I12 160.000 cm⁴

W_el750.700 cm³

W_pl985.700 cm³

Radius of gyration i111.00 mm

Torsion constant I_t24 320.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 323.9/10 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/ 271.1 kN·m

Shear/ 996.7 kN

Compression/ 2.49 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl271.1 kN·m / 271.1 kN·m

V_c,z,Rd / V_c,y,RdA_v = 6278 mm²996.7 kN / 996.7 kN

N_pl,Rd / N_b,Rd2.71 MN / 2.49 MN

N_cr,y / N_cr,z10.08 MN / 10.08 MN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.92

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.