CHS · EN 10219 · cold formed

CHS 76.1/2.5

CHS 76.1/2.5 is a cold-formed circular hollow section per EN 10219: outer diameter 76.1 mm, wall thickness 2.5 mm, weight 4.5 kg/m, cross-section area 5.8 cm², moment of inertia Iy = 39.2 cm⁴, elastic section modulus Wel,y = 10.3 cm³.

Cross section · mm

76.1Outer diameter d · mm

2.5Wall thickness t · mm

5.78Area A · cm²

4.54Mass G · kg/m

Geometry

Outer diameter d76.10 mm

Wall thickness t2.50 mm

Cross-section area A5.780 cm²

Weight G
steel 7850 kg/m³4.54kg/m

Section properties

Moment of inertia I39.190 cm⁴

W_el10.300 cm³

W_pl13.550 cm³

Radius of gyration i26.00 mm

Torsion constant I_t78.370 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 76.1/2.5 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/ 3.7 kN·m

Shear/ 58.4 kN

Compression/ 26.2 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl3.7 kN·m / 3.7 kN·m

V_c,z,Rd / V_c,y,RdA_v = 368 mm²58.4 kN / 58.4 kN

N_pl,Rd / N_b,Rd158.9 kN / 26.2 kN

N_cr,y / N_cr,z32.5 kN / 32.5 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.16

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.