CHS · EN 10210 · hot finished

CHS 323.9/6.3

CHS 323.9/6.3 is a hot-finished circular hollow section per EN 10210: outer diameter 323.9 mm, wall thickness 6.3 mm, weight 49.3 kg/m, cross-section area 62.9 cm², moment of inertia Iy = 7929 cm⁴, elastic section modulus Wel,y = 489.6 cm³.

Cross section · mm

323.9Outer diameter d · mm

6.3Wall thickness t · mm

62.86Area A · cm²

49.30Mass G · kg/m

Geometry

Outer diameter d323.90 mm

Wall thickness t6.30 mm

Cross-section area A62.860 cm²

Weight G
steel 7850 kg/m³49.30kg/m

Section properties

Moment of inertia I7 929.000 cm⁴

W_el489.600 cm³

W_pl635.600 cm³

Radius of gyration i112.30 mm

Torsion constant I_t15 860.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 323.9/6.3 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/ 174.8 kN·m

Shear/ 635.4 kN

Compression/ 1.59 MN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl174.8 kN·m / 174.8 kN·m

V_c,z,Rd / V_c,y,RdA_v = 4002 mm²635.4 kN / 635.4 kN

N_pl,Rd / N_b,Rd1.73 MN / 1.59 MN

N_cr,y / N_cr,z6.57 MN / 6.57 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.