CHS · EN 10219 · cold formed

CHS 355.6/5

CHS 355.6/5 is a cold-formed circular hollow section per EN 10219: outer diameter 355.6 mm, wall thickness 5 mm, weight 43.2 kg/m, cross-section area 55.1 cm², moment of inertia Iy = 8464 cm⁴, elastic section modulus Wel,y = 476 cm³.

Cross section · mm

355.6Outer diameter d · mm

5Wall thickness t · mm

55.07Area A · cm²

43.20Mass G · kg/m

Geometry

Outer diameter d355.60 mm

Wall thickness t5.00 mm

Cross-section area A55.070 cm²

Weight G
steel 7850 kg/m³43.20kg/m

Section properties

Moment of inertia I8 464.000 cm⁴

W_el476.000 cm³

W_pl614.600 cm³

Radius of gyration i124.00 mm

Torsion constant I_t16 930.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 355.6/5 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/ 130.9 kN·m

Shear/ 556.6 kN

Compression/ 1.31 MN

Steelγ_M0γ_M1L_crmmkClass3

Resistances and factors

M_c,y,Rd / M_c,z,RdW_el130.9 kN·m / 130.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 3506 mm²556.6 kN / 556.6 kN

N_pl,Rd / N_b,Rd1.51 MN / 1.31 MN

N_cr,y / N_cr,z7.02 MN / 7.02 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.86

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.