CHS · EN 10219 · cold formed

CHS 139.7/6

CHS 139.7/6 is a cold-formed circular hollow section per EN 10219: outer diameter 139.7 mm, wall thickness 6 mm, weight 19.8 kg/m, cross-section area 25.2 cm², moment of inertia Iy = 564.3 cm⁴, elastic section modulus Wel,y = 80.8 cm³.

Cross section · mm

139.7Outer diameter d · mm

6Wall thickness t · mm

25.20Area A · cm²

19.80Mass G · kg/m

Geometry

Outer diameter d139.70 mm

Wall thickness t6.00 mm

Cross-section area A25.200 cm²

Weight G
steel 7850 kg/m³19.80kg/m

Section properties

Moment of inertia I564.300 cm⁴

W_el80.780 cm³

W_pl107.300 cm³

Radius of gyration i47.30 mm

Torsion constant I_t1 129.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 139.7/6 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/ 29.5 kN·m

Shear/ 254.7 kN

Compression/ 295.0 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl29.5 kN·m / 29.5 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1604 mm²254.7 kN / 254.7 kN

N_pl,Rd / N_b,Rd693.0 kN / 295.0 kN

N_cr,y / N_cr,z467.8 kN / 467.8 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.43

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.