CHS · EN 10219 · cold formed

CHS 323.9/6

CHS 323.9/6 is a cold-formed circular hollow section per EN 10219: outer diameter 323.9 mm, wall thickness 6 mm, weight 47 kg/m, cross-section area 59.9 cm², moment of inertia Iy = 7572 cm⁴, elastic section modulus Wel,y = 467.6 cm³.

Cross section · mm

323.9Outer diameter d · mm

6Wall thickness t · mm

59.92Area A · cm²

47.00Mass G · kg/m

Geometry

Outer diameter d323.90 mm

Wall thickness t6.00 mm

Cross-section area A59.920 cm²

Weight G
steel 7850 kg/m³47.00kg/m

Section properties

Moment of inertia I7 572.000 cm⁴

W_el467.600 cm³

W_pl606.400 cm³

Radius of gyration i112.40 mm

Torsion constant I_t15 140.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 323.9/6 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/ 166.8 kN·m

Shear/ 605.7 kN

Compression/ 1.38 MN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl166.8 kN·m / 166.8 kN·m

V_c,z,Rd / V_c,y,RdA_v = 3815 mm²605.7 kN / 605.7 kN

N_pl,Rd / N_b,Rd1.65 MN / 1.38 MN

N_cr,y / N_cr,z6.28 MN / 6.28 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.84

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.