CHS · EN 10219 · cold formed

CHS 219.1/4

CHS 219.1/4 is a cold-formed circular hollow section per EN 10219: outer diameter 219.1 mm, wall thickness 4 mm, weight 21.2 kg/m, cross-section area 27 cm², moment of inertia Iy = 1564 cm⁴, elastic section modulus Wel,y = 142.8 cm³.

Cross section · mm

219.1Outer diameter d · mm

4Wall thickness t · mm

27.03Area A · cm²

21.20Mass G · kg/m

Geometry

Outer diameter d219.10 mm

Wall thickness t4.00 mm

Cross-section area A27.030 cm²

Weight G
steel 7850 kg/m³21.20kg/m

Section properties

Moment of inertia I1 564.000 cm⁴

W_el142.800 cm³

W_pl185.100 cm³

Radius of gyration i76.10 mm

Torsion constant I_t3 128.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 219.1/4 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/ 50.9 kN·m

Shear/ 273.2 kN

Compression/ 512.2 kN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl50.9 kN·m / 50.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1721 mm²273.2 kN / 273.2 kN

N_pl,Rd / N_b,Rd743.3 kN / 512.2 kN

N_cr,y / N_cr,z1.30 MN / 1.30 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.69

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.