SHS · EN 10219 · cold formed

SHS 400/12

SHS 400/12 is a cold-formed square hollow section per EN 10219: side 400 mm, wall thickness 12 mm, weight 141.3 kg/m, cross-section area 180.1 cm², moment of inertia Iy = 44320 cm⁴, elastic section modulus Wel,y = 2216 cm³.

Cross section · mm

400Side a · mm

12Wall thickness t · mm

180.06Area A · cm²

141.30Mass G · kg/m

Geometry

Side dimension400.00 mm

Wall thickness t12.00 mm

Outer corner radius r_o36.00 mm

Inner corner radius r_i24.00 mm

Cross-section area A180.060 cm²

Weight G
steel 7850 kg/m³141.30kg/m

Section properties

I44 320.000 cm⁴

W_el2 216.000 cm³

W_pl2 587.000 cm³

i156.90 mm

I_t71 840.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of SHS 400/12 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/ 711.4 kN·m

Shear/ 1.43 MN

Compression/ 4.53 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl711.4 kN·m / 711.4 kN·m

V_c,z,Rd / V_c,y,RdA_v = 9003 mm²1.43 MN / 1.43 MN

N_pl,Rd / N_b,Rd4.95 MN / 4.53 MN

N_cr,y / N_cr,z36.74 MN / 36.74 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.91

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.