SHS · EN 10210 · hot finished

SHS 70/3.2

SHS 70/3.2 is a hot-finished square hollow section per EN 10210: side 70 mm, wall thickness 3.2 mm, weight 6.6 kg/m, cross-section area 8.4 cm², moment of inertia Iy = 62.3 cm⁴, elastic section modulus Wel,y = 17.8 cm³.

Cross section · mm

70Side a · mm

3.2Wall thickness t · mm

8.44Area A · cm²

6.63Mass G · kg/m

Geometry

Side dimension70.00 mm

Wall thickness t3.20 mm

Outer corner radius r_o4.80 mm

Inner corner radius r_i3.20 mm

Cross-section area A8.440 cm²

Weight G
steel 7850 kg/m³6.63kg/m

Section properties

I62.310 cm⁴

W_el17.800 cm³

W_pl21.040 cm³

i27.20 mm

I_t97.580 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of SHS 70/3.2 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/ 5.8 kN·m

Shear/ 67.0 kN

Compression/ 46.4 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl5.8 kN·m / 5.8 kN·m

V_c,z,Rd / V_c,y,RdA_v = 422 mm²67.0 kN / 67.0 kN

N_pl,Rd / N_b,Rd232.1 kN / 46.4 kN

N_cr,y / N_cr,z51.7 kN / 51.7 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.20

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.