CHS · EN 10210 · hot finished

CHS 101.6/4

CHS 101.6/4 is a hot-finished circular hollow section per EN 10210: outer diameter 101.6 mm, wall thickness 4 mm, weight 9.6 kg/m, cross-section area 12.3 cm², moment of inertia Iy = 146.3 cm⁴, elastic section modulus Wel,y = 28.8 cm³.

Cross section · mm

101.6Outer diameter d · mm

4Wall thickness t · mm

12.26Area A · cm²

9.63Mass G · kg/m

Geometry

Outer diameter d101.60 mm

Wall thickness t4.00 mm

Cross-section area A12.260 cm²

Weight G
steel 7850 kg/m³9.63kg/m

Section properties

Moment of inertia I146.300 cm⁴

W_el28.800 cm³

W_pl38.120 cm³

Radius of gyration i34.50 mm

Torsion constant I_t292.600 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 101.6/4 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/ 10.5 kN·m

Shear/ 123.9 kN

Compression/ 104.5 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl10.5 kN·m / 10.5 kN·m

V_c,z,Rd / V_c,y,RdA_v = 780 mm²123.9 kN / 123.9 kN

N_pl,Rd / N_b,Rd337.1 kN / 104.5 kN

N_cr,y / N_cr,z121.3 kN / 121.3 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.31

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.