CHS · EN 10219 · cold formed

CHS 33.7/3

CHS 33.7/3 is a cold-formed circular hollow section per EN 10219: outer diameter 33.7 mm, wall thickness 3 mm, weight 2.3 kg/m, cross-section area 2.9 cm², moment of inertia Iy = 3.4 cm⁴, elastic section modulus Wel,y = 2 cm³.

Cross section · mm

33.7Outer diameter d · mm

3Wall thickness t · mm

2.89Area A · cm²

2.27Mass G · kg/m

Geometry

Outer diameter d33.70 mm

Wall thickness t3.00 mm

Cross-section area A2.890 cm²

Weight G
steel 7850 kg/m³2.27kg/m

Section properties

Moment of inertia I3.441 cm⁴

W_el2.042 cm³

W_pl2.836 cm³

Radius of gyration i10.90 mm

Torsion constant I_t6.883 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 33.7/3 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/ 0.8 kN·m

Shear/ 29.2 kN

Compression/ 2.6 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl0.8 kN·m / 0.8 kN·m

V_c,z,Rd / V_c,y,RdA_v = 184 mm²29.2 kN / 29.2 kN

N_pl,Rd / N_b,Rd79.5 kN / 2.6 kN

N_cr,y / N_cr,z2.9 kN / 2.9 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.03

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.