CHS · EN 10210 · hot finished

CHS 21.3/2.3

CHS 21.3/2.3 is a hot-finished circular hollow section per EN 10210: outer diameter 21.3 mm, wall thickness 2.3 mm, weight 1.1 kg/m, cross-section area 1.4 cm², moment of inertia Iy = 0.6 cm⁴, elastic section modulus Wel,y = 0.6 cm³.

Cross section · mm

21.3Outer diameter d · mm

2.3Wall thickness t · mm

1.37Area A · cm²

1.08Mass G · kg/m

Geometry

Outer diameter d21.30 mm

Wall thickness t2.30 mm

Cross-section area A1.370 cm²

Weight G
steel 7850 kg/m³1.08kg/m

Section properties

Moment of inertia I0.629 cm⁴

W_el0.590 cm³

W_pl0.834 cm³

Radius of gyration i6.80 mm

Torsion constant I_t1.257 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 21.3/2.3 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/ 0.2 kN·m

Shear/ 13.8 kN

Compression/ 0.5 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl0.2 kN·m / 0.2 kN·m

V_c,z,Rd / V_c,y,RdA_v = 87 mm²13.8 kN / 13.8 kN

N_pl,Rd / N_b,Rd37.7 kN / 0.5 kN

N_cr,y / N_cr,z0.5 kN / 0.5 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.01

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.