CHS · EN 10219 · cold formed

CHS 219.1/12.5

CHS 219.1/12.5 is a cold-formed circular hollow section per EN 10219: outer diameter 219.1 mm, wall thickness 12.5 mm, weight 63.7 kg/m, cross-section area 81.1 cm², moment of inertia Iy = 4345 cm⁴, elastic section modulus Wel,y = 396.6 cm³.

Cross section · mm

219.1Outer diameter d · mm

12.5Wall thickness t · mm

81.13Area A · cm²

63.70Mass G · kg/m

Geometry

Outer diameter d219.10 mm

Wall thickness t12.50 mm

Cross-section area A81.130 cm²

Weight G
steel 7850 kg/m³63.70kg/m

Section properties

Moment of inertia I4 345.000 cm⁴

W_el396.600 cm³

W_pl534.200 cm³

Radius of gyration i73.20 mm

Torsion constant I_t8 689.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of CHS 219.1/12.5 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/ 146.9 kN·m

Shear/ 820.0 kN

Compression/ 1.50 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl146.9 kN·m / 146.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 5165 mm²820.0 kN / 820.0 kN

N_pl,Rd / N_b,Rd2.23 MN / 1.50 MN

N_cr,y / N_cr,z3.60 MN / 3.60 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.67

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.