CHS · EN 10210 · hot finished

CHS 323.9/8

CHS 323.9/8 is a hot-finished circular hollow section per EN 10210: outer diameter 323.9 mm, wall thickness 8 mm, weight 62.3 kg/m, cross-section area 79.4 cm², moment of inertia Iy = 9910 cm⁴, elastic section modulus Wel,y = 611.9 cm³.

Cross section · mm

323.9Outer diameter d · mm

8Wall thickness t · mm

79.39Area A · cm²

62.30Mass G · kg/m

Geometry

Outer diameter d323.90 mm

Wall thickness t8.00 mm

Cross-section area A79.390 cm²

Weight G
steel 7850 kg/m³62.30kg/m

Section properties

Moment of inertia I9 910.000 cm⁴

W_el611.900 cm³

W_pl798.500 cm³

Radius of gyration i111.70 mm

Torsion constant I_t19 820.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 323.9/8 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/ 219.6 kN·m

Shear/ 802.5 kN

Compression/ 2.01 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl219.6 kN·m / 219.6 kN·m

V_c,z,Rd / V_c,y,RdA_v = 5054 mm²802.5 kN / 802.5 kN

N_pl,Rd / N_b,Rd2.18 MN / 2.01 MN

N_cr,y / N_cr,z8.22 MN / 8.22 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.