SHS · EN 10219 · cold formed

SHS 70/6.3

SHS 70/6.3 is a cold-formed square hollow section per EN 10219: side 70 mm, wall thickness 6.3 mm, weight 11.5 kg/m, cross-section area 14.7 cm², moment of inertia Iy = 93.8 cm⁴, elastic section modulus Wel,y = 26.8 cm³.

Cross section · mm

70Side a · mm

6.3Wall thickness t · mm

14.69Area A · cm²

11.50Mass G · kg/m

Geometry

Side dimension70.00 mm

Wall thickness t6.30 mm

Outer corner radius r_o15.75 mm

Inner corner radius r_i9.45 mm

Cross-section area A14.690 cm²

Weight G
steel 7850 kg/m³11.50kg/m

Section properties

I93.770 cm⁴

W_el26.790 cm³

W_pl33.800 cm³

i25.30 mm

I_t168.100 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of SHS 70/6.3 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/ 9.3 kN·m

Shear/ 116.6 kN

Compression/ 63.1 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl9.3 kN·m / 9.3 kN·m

V_c,z,Rd / V_c,y,RdA_v = 735 mm²116.6 kN / 116.6 kN

N_pl,Rd / N_b,Rd404.0 kN / 63.1 kN

N_cr,y / N_cr,z77.7 kN / 77.7 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.16

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.