CHS · EN 10210 · hot finished

CHS 88.9/4

CHS 88.9/4 is a hot-finished circular hollow section per EN 10210: outer diameter 88.9 mm, wall thickness 4 mm, weight 8.4 kg/m, cross-section area 10.7 cm², moment of inertia Iy = 96.3 cm⁴, elastic section modulus Wel,y = 21.7 cm³.

Cross section · mm

88.9Outer diameter d · mm

4Wall thickness t · mm

10.67Area A · cm²

8.38Mass G · kg/m

Geometry

Outer diameter d88.90 mm

Wall thickness t4.00 mm

Cross-section area A10.670 cm²

Weight G
steel 7850 kg/m³8.38kg/m

Section properties

Moment of inertia I96.340 cm⁴

W_el21.670 cm³

W_pl28.850 cm³

Radius of gyration i30.00 mm

Torsion constant I_t192.700 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 88.9/4 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/ 7.9 kN·m

Shear/ 107.8 kN

Compression/ 70.7 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl7.9 kN·m / 7.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 679 mm²107.8 kN / 107.8 kN

N_pl,Rd / N_b,Rd293.4 kN / 70.7 kN

N_cr,y / N_cr,z79.9 kN / 79.9 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.