CHS · EN 10210 · hot finished

CHS 139.7/12.5

CHS 139.7/12.5 is a hot-finished circular hollow section per EN 10210: outer diameter 139.7 mm, wall thickness 12.5 mm, weight 39.2 kg/m, cross-section area 50 cm², moment of inertia Iy = 1020 cm⁴, elastic section modulus Wel,y = 146 cm³.

Cross section · mm

139.7Outer diameter d · mm

12.5Wall thickness t · mm

49.95Area A · cm²

39.20Mass G · kg/m

Geometry

Outer diameter d139.70 mm

Wall thickness t12.50 mm

Cross-section area A49.950 cm²

Weight G
steel 7850 kg/m³39.20kg/m

Section properties

Moment of inertia I1 020.000 cm⁴

W_el146.000 cm³

W_pl202.900 cm³

Radius of gyration i45.20 mm

Torsion constant I_t2 040.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 139.7/12.5 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/ 55.8 kN·m

Shear/ 504.9 kN

Compression/ 666.0 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl55.8 kN·m / 55.8 kN·m

V_c,z,Rd / V_c,y,RdA_v = 3180 mm²504.9 kN / 504.9 kN

N_pl,Rd / N_b,Rd1.37 MN / 666.0 kN

N_cr,y / N_cr,z845.6 kN / 845.6 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.48

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.