CHS · EN 10219 · cold formed

CHS 355.6/6

CHS 355.6/6 is a cold-formed circular hollow section per EN 10219: outer diameter 355.6 mm, wall thickness 6 mm, weight 51.7 kg/m, cross-section area 65.9 cm², moment of inertia Iy = 10070 cm⁴, elastic section modulus Wel,y = 566.4 cm³.

Cross section · mm

355.6Outer diameter d · mm

6Wall thickness t · mm

65.90Area A · cm²

51.70Mass G · kg/m

Geometry

Outer diameter d355.60 mm

Wall thickness t6.00 mm

Cross-section area A65.900 cm²

Weight G
steel 7850 kg/m³51.70kg/m

Section properties

Moment of inertia I10 070.000 cm⁴

W_el566.400 cm³

W_pl733.400 cm³

Radius of gyration i123.60 mm

Torsion constant I_t20 140.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 355.6/6 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/ 201.7 kN·m

Shear/ 666.1 kN

Compression/ 1.56 MN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl201.7 kN·m / 201.7 kN·m

V_c,z,Rd / V_c,y,RdA_v = 4195 mm²666.1 kN / 666.1 kN

N_pl,Rd / N_b,Rd1.81 MN / 1.56 MN

N_cr,y / N_cr,z8.35 MN / 8.35 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.