CHS · EN 10210 · hot finished

CHS 273/20

CHS 273/20 is a hot-finished circular hollow section per EN 10210: outer diameter 273 mm, wall thickness 20 mm, weight 124.8 kg/m, cross-section area 159 cm², moment of inertia Iy = 12800 cm⁴, elastic section modulus Wel,y = 937.6 cm³.

Cross section · mm

273Outer diameter d · mm

20Wall thickness t · mm

158.96Area A · cm²

124.80Mass G · kg/m

Geometry

Outer diameter d273.00 mm

Wall thickness t20.00 mm

Cross-section area A158.960 cm²

Weight G
steel 7850 kg/m³124.80kg/m

Section properties

Moment of inertia I12 800.000 cm⁴

W_el937.600 cm³

W_pl1 283.000 cm³

Radius of gyration i89.70 mm

Torsion constant I_t25 600.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 273/20 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/ 340.0 kN·m

Shear/ 1.55 MN

Compression/ 3.70 MN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl340.0 kN·m / 340.0 kN·m

V_c,z,Rd / V_c,y,RdA_v = 10120 mm²1.55 MN / 1.55 MN

N_pl,Rd / N_b,Rd4.21 MN / 3.70 MN

N_cr,y / N_cr,z10.61 MN / 10.61 MN

f_yt = 20.0 mm > 16 mm, EN 10210-1265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.88

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.