SHS · EN 10219 · cold formed

SHS 350/12.5

SHS 350/12.5 is a cold-formed square hollow section per EN 10219: side 350 mm, wall thickness 12.5 mm, weight 127.2 kg/m, cross-section area 162 cm², moment of inertia Iy = 30040 cm⁴, elastic section modulus Wel,y = 1717 cm³.

Cross section · mm

350Side a · mm

12.5Wall thickness t · mm

162.04Area A · cm²

127.20Mass G · kg/m

Geometry

Side dimension350.00 mm

Wall thickness t12.50 mm

Outer corner radius r_o37.50 mm

Inner corner radius r_i25.00 mm

Cross-section area A162.040 cm²

Weight G
steel 7850 kg/m³127.20kg/m

Section properties

I30 040.000 cm⁴

W_el1 717.000 cm³

W_pl2 020.000 cm³

i136.20 mm

I_t49 390.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of SHS 350/12.5 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/ 555.5 kN·m

Shear/ 1.29 MN

Compression/ 3.94 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl555.5 kN·m / 555.5 kN·m

V_c,z,Rd / V_c,y,RdA_v = 8102 mm²1.29 MN / 1.29 MN

N_pl,Rd / N_b,Rd4.46 MN / 3.94 MN

N_cr,y / N_cr,z24.90 MN / 24.90 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.89

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.