CHS · EN 10219 · cold formed

CHS 355.6/6.3

CHS 355.6/6.3 is a cold-formed circular hollow section per EN 10219: outer diameter 355.6 mm, wall thickness 6.3 mm, weight 54.3 kg/m, cross-section area 69.1 cm², moment of inertia Iy = 10550 cm⁴, elastic section modulus Wel,y = 593.2 cm³.

Cross section · mm

355.6Outer diameter d · mm

6.3Wall thickness t · mm

69.13Area A · cm²

54.30Mass G · kg/m

Geometry

Outer diameter d355.60 mm

Wall thickness t6.30 mm

Cross-section area A69.130 cm²

Weight G
steel 7850 kg/m³54.30kg/m

Section properties

Moment of inertia I10 550.000 cm⁴

W_el593.200 cm³

W_pl768.700 cm³

Radius of gyration i123.50 mm

Torsion constant I_t21 090.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 355.6/6.3 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/ 211.4 kN·m

Shear/ 698.7 kN

Compression/ 1.64 MN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl211.4 kN·m / 211.4 kN·m

V_c,z,Rd / V_c,y,RdA_v = 4401 mm²698.7 kN / 698.7 kN

N_pl,Rd / N_b,Rd1.90 MN / 1.64 MN

N_cr,y / N_cr,z8.75 MN / 8.75 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.