CHS · EN 10219 · cold formed

CHS 76.1/4

CHS 76.1/4 is a cold-formed circular hollow section per EN 10219: outer diameter 76.1 mm, wall thickness 4 mm, weight 7.1 kg/m, cross-section area 9.1 cm², moment of inertia Iy = 59.1 cm⁴, elastic section modulus Wel,y = 15.5 cm³.

Cross section · mm

76.1Outer diameter d · mm

4Wall thickness t · mm

9.06Area A · cm²

7.11Mass G · kg/m

Geometry

Outer diameter d76.10 mm

Wall thickness t4.00 mm

Cross-section area A9.060 cm²

Weight G
steel 7850 kg/m³7.11kg/m

Section properties

Moment of inertia I59.060 cm⁴

W_el15.520 cm³

W_pl20.810 cm³

Radius of gyration i25.50 mm

Torsion constant I_t118.100 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 76.1/4 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/ 5.7 kN·m

Shear/ 91.6 kN

Compression/ 39.6 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl5.7 kN·m / 5.7 kN·m

V_c,z,Rd / V_c,y,RdA_v = 577 mm²91.6 kN / 91.6 kN

N_pl,Rd / N_b,Rd249.2 kN / 39.6 kN

N_cr,y / N_cr,z49.0 kN / 49.0 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.