CHS · EN 10210 · hot finished

CHS 88.9/3.2

CHS 88.9/3.2 is a hot-finished circular hollow section per EN 10210: outer diameter 88.9 mm, wall thickness 3.2 mm, weight 6.8 kg/m, cross-section area 8.6 cm², moment of inertia Iy = 79.2 cm⁴, elastic section modulus Wel,y = 17.8 cm³.

Cross section · mm

88.9Outer diameter d · mm

3.2Wall thickness t · mm

8.62Area A · cm²

6.76Mass G · kg/m

Geometry

Outer diameter d88.90 mm

Wall thickness t3.20 mm

Cross-section area A8.620 cm²

Weight G
steel 7850 kg/m³6.76kg/m

Section properties

Moment of inertia I79.210 cm⁴

W_el17.820 cm³

W_pl23.510 cm³

Radius of gyration i30.30 mm

Torsion constant I_t158.400 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 88.9/3.2 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/ 6.5 kN·m

Shear/ 87.1 kN

Compression/ 58.1 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl6.5 kN·m / 6.5 kN·m

V_c,z,Rd / V_c,y,RdA_v = 549 mm²87.1 kN / 87.1 kN

N_pl,Rd / N_b,Rd237.1 kN / 58.1 kN

N_cr,y / N_cr,z65.7 kN / 65.7 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.24

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.