SHS · EN 10219 · cold formed

SHS 70/4

SHS 70/4 is a cold-formed square hollow section per EN 10219: side 70 mm, wall thickness 4 mm, weight 8 kg/m, cross-section area 10.2 cm², moment of inertia Iy = 72.1 cm⁴, elastic section modulus Wel,y = 20.6 cm³.

Cross section · mm

70Side a · mm

4Wall thickness t · mm

10.15Area A · cm²

7.97Mass G · kg/m

Geometry

Side dimension70.00 mm

Wall thickness t4.00 mm

Outer corner radius r_o8.00 mm

Inner corner radius r_i4.00 mm

Cross-section area A10.150 cm²

Weight G
steel 7850 kg/m³7.97kg/m

Section properties

I72.120 cm⁴

W_el20.610 cm³

W_pl24.760 cm³

i26.70 mm

I_t118.500 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of SHS 70/4 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/ 6.8 kN·m

Shear/ 80.6 kN

Compression/ 47.9 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl6.8 kN·m / 6.8 kN·m

V_c,z,Rd / V_c,y,RdA_v = 508 mm²80.6 kN / 80.6 kN

N_pl,Rd / N_b,Rd279.1 kN / 47.9 kN

N_cr,y / N_cr,z59.8 kN / 59.8 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.17

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.