CHS · EN 10210 · hot finished

CHS 323.9/16

CHS 323.9/16 is a hot-finished circular hollow section per EN 10210: outer diameter 323.9 mm, wall thickness 16 mm, weight 121.5 kg/m, cross-section area 154.8 cm², moment of inertia Iy = 18390 cm⁴, elastic section modulus Wel,y = 1136 cm³.

Cross section · mm

323.9Outer diameter d · mm

16Wall thickness t · mm

154.77Area A · cm²

121.50Mass G · kg/m

Geometry

Outer diameter d323.90 mm

Wall thickness t16.00 mm

Cross-section area A154.770 cm²

Weight G
steel 7850 kg/m³121.50kg/m

Section properties

Moment of inertia I18 390.000 cm⁴

W_el1 136.000 cm³

W_pl1 518.000 cm³

Radius of gyration i109.00 mm

Torsion constant I_t36 780.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 323.9/16 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/ 417.4 kN·m

Shear/ 1.56 MN

Compression/ 3.90 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl417.4 kN·m / 417.4 kN·m

V_c,z,Rd / V_c,y,RdA_v = 9853 mm²1.56 MN / 1.56 MN

N_pl,Rd / N_b,Rd4.26 MN / 3.90 MN

N_cr,y / N_cr,z15.25 MN / 15.25 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.