CHS · EN 10210 · hot finished

CHS 273/6.3

CHS 273/6.3 is a hot-finished circular hollow section per EN 10210: outer diameter 273 mm, wall thickness 6.3 mm, weight 41.4 kg/m, cross-section area 52.8 cm², moment of inertia Iy = 4696 cm⁴, elastic section modulus Wel,y = 344 cm³.

Cross section · mm

273Outer diameter d · mm

6.3Wall thickness t · mm

52.79Area A · cm²

41.40Mass G · kg/m

Geometry

Outer diameter d273.00 mm

Wall thickness t6.30 mm

Cross-section area A52.790 cm²

Weight G
steel 7850 kg/m³41.40kg/m

Section properties

Moment of inertia I4 696.000 cm⁴

W_el344.000 cm³

W_pl448.200 cm³

Radius of gyration i94.30 mm

Torsion constant I_t9 392.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 273/6.3 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/ 123.3 kN·m

Shear/ 533.6 kN

Compression/ 1.29 MN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl123.3 kN·m / 123.3 kN·m

V_c,z,Rd / V_c,y,RdA_v = 3361 mm²533.6 kN / 533.6 kN

N_pl,Rd / N_b,Rd1.45 MN / 1.29 MN

N_cr,y / N_cr,z3.89 MN / 3.89 MN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.89

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.