CHS · EN 10219 · cold formed

CHS 101.6/2.5

CHS 101.6/2.5 is a cold-formed circular hollow section per EN 10219: outer diameter 101.6 mm, wall thickness 2.5 mm, weight 6.1 kg/m, cross-section area 7.8 cm², moment of inertia Iy = 95.6 cm⁴, elastic section modulus Wel,y = 18.8 cm³.

Cross section · mm

101.6Outer diameter d · mm

2.5Wall thickness t · mm

7.78Area A · cm²

6.11Mass G · kg/m

Geometry

Outer diameter d101.60 mm

Wall thickness t2.50 mm

Cross-section area A7.780 cm²

Weight G
steel 7850 kg/m³6.11kg/m

Section properties

Moment of inertia I95.610 cm⁴

W_el18.820 cm³

W_pl24.560 cm³

Radius of gyration i35.00 mm

Torsion constant I_t191.200 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 101.6/2.5 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/ 6.8 kN·m

Shear/ 78.6 kN

Compression/ 58.3 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl6.8 kN·m / 6.8 kN·m

V_c,z,Rd / V_c,y,RdA_v = 495 mm²78.6 kN / 78.6 kN

N_pl,Rd / N_b,Rd213.9 kN / 58.3 kN

N_cr,y / N_cr,z79.3 kN / 79.3 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.27

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.