CHS · EN 10210 · hot finished

CHS 355.6/8

CHS 355.6/8 is a hot-finished circular hollow section per EN 10210: outer diameter 355.6 mm, wall thickness 8 mm, weight 68.6 kg/m, cross-section area 87.4 cm², moment of inertia Iy = 13200 cm⁴, elastic section modulus Wel,y = 742.5 cm³.

Cross section · mm

355.6Outer diameter d · mm

8Wall thickness t · mm

87.36Area A · cm²

68.60Mass G · kg/m

Geometry

Outer diameter d355.60 mm

Wall thickness t8.00 mm

Cross-section area A87.360 cm²

Weight G
steel 7850 kg/m³68.60kg/m

Section properties

Moment of inertia I13 200.000 cm⁴

W_el742.500 cm³

W_pl966.800 cm³

Radius of gyration i122.90 mm

Torsion constant I_t26 400.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 355.6/8 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/ 265.9 kN·m

Shear/ 883.0 kN

Compression/ 2.24 MN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl265.9 kN·m / 265.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 5562 mm²883.0 kN / 883.0 kN

N_pl,Rd / N_b,Rd2.40 MN / 2.24 MN

N_cr,y / N_cr,z10.94 MN / 10.94 MN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.93

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.