CHS · EN 10219 · cold formed

CHS 139.7/3

CHS 139.7/3 is a cold-formed circular hollow section per EN 10219: outer diameter 139.7 mm, wall thickness 3 mm, weight 10.1 kg/m, cross-section area 12.9 cm², moment of inertia Iy = 301.1 cm⁴, elastic section modulus Wel,y = 43.1 cm³.

Cross section · mm

139.7Outer diameter d · mm

3Wall thickness t · mm

12.88Area A · cm²

10.10Mass G · kg/m

Geometry

Outer diameter d139.70 mm

Wall thickness t3.00 mm

Cross-section area A12.880 cm²

Weight G
steel 7850 kg/m³10.10kg/m

Section properties

Moment of inertia I301.100 cm⁴

W_el43.110 cm³

W_pl56.070 cm³

Radius of gyration i48.30 mm

Torsion constant I_t602.200 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 139.7/3 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/ 15.4 kN·m

Shear/ 130.2 kN

Compression/ 155.1 kN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl15.4 kN·m / 15.4 kN·m

V_c,z,Rd / V_c,y,RdA_v = 820 mm²130.2 kN / 130.2 kN

N_pl,Rd / N_b,Rd354.2 kN / 155.1 kN

N_cr,y / N_cr,z249.6 kN / 249.6 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.44

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.