CHS · EN 10219 · cold formed

CHS 88.9/6

CHS 88.9/6 is a cold-formed circular hollow section per EN 10219: outer diameter 88.9 mm, wall thickness 6 mm, weight 12.3 kg/m, cross-section area 15.6 cm², moment of inertia Iy = 134.9 cm⁴, elastic section modulus Wel,y = 30.4 cm³.

Cross section · mm

88.9Outer diameter d · mm

6Wall thickness t · mm

15.63Area A · cm²

12.30Mass G · kg/m

Geometry

Outer diameter d88.90 mm

Wall thickness t6.00 mm

Cross-section area A15.630 cm²

Weight G
steel 7850 kg/m³12.30kg/m

Section properties

Moment of inertia I134.900 cm⁴

W_el30.360 cm³

W_pl41.310 cm³

Radius of gyration i29.40 mm

Torsion constant I_t269.900 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 88.9/6 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/ 11.4 kN·m

Shear/ 158.0 kN

Compression/ 87.3 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl11.4 kN·m / 11.4 kN·m

V_c,z,Rd / V_c,y,RdA_v = 995 mm²158.0 kN / 158.0 kN

N_pl,Rd / N_b,Rd429.8 kN / 87.3 kN

N_cr,y / N_cr,z111.8 kN / 111.8 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.20

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.