CHS · EN 10219 · cold formed

CHS 88.9/2

CHS 88.9/2 is a cold-formed circular hollow section per EN 10219: outer diameter 88.9 mm, wall thickness 2 mm, weight 4.3 kg/m, cross-section area 5.5 cm², moment of inertia Iy = 51.6 cm⁴, elastic section modulus Wel,y = 11.6 cm³.

Cross section · mm

88.9Outer diameter d · mm

2Wall thickness t · mm

5.46Area A · cm²

4.29Mass G · kg/m

Geometry

Outer diameter d88.90 mm

Wall thickness t2.00 mm

Cross-section area A5.460 cm²

Weight G
steel 7850 kg/m³4.29kg/m

Section properties

Moment of inertia I51.570 cm⁴

W_el11.600 cm³

W_pl15.110 cm³

Radius of gyration i30.70 mm

Torsion constant I_t103.100 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 88.9/2 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/ 4.2 kN·m

Shear/ 55.2 kN

Compression/ 32.9 kN

Steelγ_M0γ_M1L_crmmkClass2

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl4.2 kN·m / 4.2 kN·m

V_c,z,Rd / V_c,y,RdA_v = 348 mm²55.2 kN / 55.2 kN

N_pl,Rd / N_b,Rd150.2 kN / 32.9 kN

N_cr,y / N_cr,z42.8 kN / 42.8 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.22

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.