CHS · EN 10219 · cold formed

CHS 273/5

CHS 273/5 is a cold-formed circular hollow section per EN 10219: outer diameter 273 mm, wall thickness 5 mm, weight 33 kg/m, cross-section area 42.1 cm², moment of inertia Iy = 3781 cm⁴, elastic section modulus Wel,y = 277 cm³.

Cross section · mm

273Outer diameter d · mm

5Wall thickness t · mm

42.10Area A · cm²

33.00Mass G · kg/m

Geometry

Outer diameter d273.00 mm

Wall thickness t5.00 mm

Cross-section area A42.100 cm²

Weight G
steel 7850 kg/m³33.00kg/m

Section properties

Moment of inertia I3 781.000 cm⁴

W_el277.000 cm³

W_pl359.200 cm³

Radius of gyration i94.80 mm

Torsion constant I_t7 562.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 273/5 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/ 98.8 kN·m

Shear/ 425.5 kN

Compression/ 904.0 kN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl98.8 kN·m / 98.8 kN·m

V_c,z,Rd / V_c,y,RdA_v = 2680 mm²425.5 kN / 425.5 kN

N_pl,Rd / N_b,Rd1.16 MN / 904.0 kN

N_cr,y / N_cr,z3.13 MN / 3.13 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.78

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.