CHS · EN 10210 · hot finished

CHS 139.7/8

CHS 139.7/8 is a hot-finished circular hollow section per EN 10210: outer diameter 139.7 mm, wall thickness 8 mm, weight 26 kg/m, cross-section area 33.1 cm², moment of inertia Iy = 720.3 cm⁴, elastic section modulus Wel,y = 103.1 cm³.

Cross section · mm

139.7Outer diameter d · mm

8Wall thickness t · mm

33.10Area A · cm²

26.00Mass G · kg/m

Geometry

Outer diameter d139.70 mm

Wall thickness t8.00 mm

Cross-section area A33.100 cm²

Weight G
steel 7850 kg/m³26.00kg/m

Section properties

Moment of inertia I720.300 cm⁴

W_el103.100 cm³

W_pl138.900 cm³

Radius of gyration i46.60 mm

Torsion constant I_t1 441.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 139.7/8 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/ 38.2 kN·m

Shear/ 334.6 kN

Compression/ 462.9 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl38.2 kN·m / 38.2 kN·m

V_c,z,Rd / V_c,y,RdA_v = 2107 mm²334.6 kN / 334.6 kN

N_pl,Rd / N_b,Rd910.3 kN / 462.9 kN

N_cr,y / N_cr,z597.2 kN / 597.2 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.51

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.