SHS · EN 10219 · cold formed

SHS 300/12.5

SHS 300/12.5 is a cold-formed square hollow section per EN 10219: side 300 mm, wall thickness 12.5 mm, weight 107.6 kg/m, cross-section area 137 cm², moment of inertia Iy = 18350 cm⁴, elastic section modulus Wel,y = 1223 cm³.

Cross section · mm

300Side a · mm

12.5Wall thickness t · mm

137.04Area A · cm²

107.60Mass G · kg/m

Geometry

Side dimension300.00 mm

Wall thickness t12.50 mm

Outer corner radius r_o37.50 mm

Inner corner radius r_i25.00 mm

Cross-section area A137.040 cm²

Weight G
steel 7850 kg/m³107.60kg/m

Section properties

I18 350.000 cm⁴

W_el1 223.000 cm³

W_pl1 451.000 cm³

i115.70 mm

I_t30 600.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of SHS 300/12.5 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/ 399.0 kN·m

Shear/ 1.09 MN

Compression/ 3.18 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl399.0 kN·m / 399.0 kN·m

V_c,z,Rd / V_c,y,RdA_v = 6852 mm²1.09 MN / 1.09 MN

N_pl,Rd / N_b,Rd3.77 MN / 3.18 MN

N_cr,y / N_cr,z15.21 MN / 15.21 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.84

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.