CHS · EN 10219 · cold formed

CHS 244.5/12.5

CHS 244.5/12.5 is a cold-formed circular hollow section per EN 10219: outer diameter 244.5 mm, wall thickness 12.5 mm, weight 71.5 kg/m, cross-section area 91.1 cm², moment of inertia Iy = 6147 cm⁴, elastic section modulus Wel,y = 502.9 cm³.

Cross section · mm

244.5Outer diameter d · mm

12.5Wall thickness t · mm

91.11Area A · cm²

71.50Mass G · kg/m

Geometry

Outer diameter d244.50 mm

Wall thickness t12.50 mm

Cross-section area A91.110 cm²

Weight G
steel 7850 kg/m³71.50kg/m

Section properties

Moment of inertia I6 147.000 cm⁴

W_el502.900 cm³

W_pl673.500 cm³

Radius of gyration i82.10 mm

Torsion constant I_t12 290.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 244.5/12.5 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/ 185.2 kN·m

Shear/ 920.9 kN

Compression/ 1.81 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl185.2 kN·m / 185.2 kN·m

V_c,z,Rd / V_c,y,RdA_v = 5800 mm²920.9 kN / 920.9 kN

N_pl,Rd / N_b,Rd2.51 MN / 1.81 MN

N_cr,y / N_cr,z5.10 MN / 5.10 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.72

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.