CHS · EN 10219 · cold formed

CHS 76.1/3

CHS 76.1/3 is a cold-formed circular hollow section per EN 10219: outer diameter 76.1 mm, wall thickness 3 mm, weight 5.4 kg/m, cross-section area 6.9 cm², moment of inertia Iy = 46.1 cm⁴, elastic section modulus Wel,y = 12.1 cm³.

Cross section · mm

76.1Outer diameter d · mm

3Wall thickness t · mm

6.89Area A · cm²

5.41Mass G · kg/m

Geometry

Outer diameter d76.10 mm

Wall thickness t3.00 mm

Cross-section area A6.890 cm²

Weight G
steel 7850 kg/m³5.41kg/m

Section properties

Moment of inertia I46.100 cm⁴

W_el12.110 cm³

W_pl16.040 cm³

Radius of gyration i25.90 mm

Torsion constant I_t92.190 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 76.1/3 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/ 4.4 kN·m

Shear/ 69.6 kN

Compression/ 30.8 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl4.4 kN·m / 4.4 kN·m

V_c,z,Rd / V_c,y,RdA_v = 439 mm²69.6 kN / 69.6 kN

N_pl,Rd / N_b,Rd189.5 kN / 30.8 kN

N_cr,y / N_cr,z38.2 kN / 38.2 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.