CHS · EN 10210 · hot finished

CHS 33.7/3.2

CHS 33.7/3.2 is a hot-finished circular hollow section per EN 10210: outer diameter 33.7 mm, wall thickness 3.2 mm, weight 2.4 kg/m, cross-section area 3.1 cm², moment of inertia Iy = 3.6 cm⁴, elastic section modulus Wel,y = 2.1 cm³.

Cross section · mm

33.7Outer diameter d · mm

3.2Wall thickness t · mm

3.07Area A · cm²

2.41Mass G · kg/m

Geometry

Outer diameter d33.70 mm

Wall thickness t3.20 mm

Cross-section area A3.070 cm²

Weight G
steel 7850 kg/m³2.41kg/m

Section properties

Moment of inertia I3.605 cm⁴

W_el2.139 cm³

W_pl2.988 cm³

Radius of gyration i10.80 mm

Torsion constant I_t7.209 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 33.7/3.2 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/ 31.0 kN

Compression/ 2.9 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 = 195 mm²31.0 kN / 31.0 kN

N_pl,Rd / N_b,Rd84.4 kN / 2.9 kN

N_cr,y / N_cr,z3.0 kN / 3.0 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · 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.