CHS · EN 10219 · cold formed

CHS 42.4/4

CHS 42.4/4 is a cold-formed circular hollow section per EN 10219: outer diameter 42.4 mm, wall thickness 4 mm, weight 3.8 kg/m, cross-section area 4.8 cm², moment of inertia Iy = 9 cm⁴, elastic section modulus Wel,y = 4.2 cm³.

Cross section · mm

42.4Outer diameter d · mm

4Wall thickness t · mm

4.83Area A · cm²

3.79Mass G · kg/m

Geometry

Outer diameter d42.40 mm

Wall thickness t4.00 mm

Cross-section area A4.830 cm²

Weight G
steel 7850 kg/m³3.79kg/m

Section properties

Moment of inertia I8.991 cm⁴

W_el4.241 cm³

W_pl5.920 cm³

Radius of gyration i13.60 mm

Torsion constant I_t17.980 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 42.4/4 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/ 1.6 kN·m

Shear/ 48.8 kN

Compression/ 6.7 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl1.6 kN·m / 1.6 kN·m

V_c,z,Rd / V_c,y,RdA_v = 307 mm²48.8 kN / 48.8 kN

N_pl,Rd / N_b,Rd132.8 kN / 6.7 kN

N_cr,y / N_cr,z7.5 kN / 7.5 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.05

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.