SHS · EN 10210 · hot finished

SHS 400/20

SHS 400/20 is a hot-finished square hollow section per EN 10210: side 400 mm, wall thickness 20 mm, weight 235.3 kg/m, cross-section area 299.7 cm², moment of inertia Iy = 71530 cm⁴, elastic section modulus Wel,y = 3577 cm³.

Cross section · mm

400Side a · mm

20Wall thickness t · mm

299.71Area A · cm²

235.30Mass G · kg/m

Geometry

Side dimension400.00 mm

Wall thickness t20.00 mm

Outer corner radius r_o30.00 mm

Inner corner radius r_i20.00 mm

Cross-section area A299.710 cm²

Weight G
steel 7850 kg/m³235.30kg/m

Section properties

I71 530.000 cm⁴

W_el3 577.000 cm³

W_pl4 247.000 cm³

i154.50 mm

I_t112 500.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of SHS 400/20 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/ 1.13 MNm

Shear/ 2.29 MN

Compression/ 7.64 MN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl1.13 MNm / 1.13 MNm

V_c,z,Rd / V_c,y,RdA_v = 14986 mm²2.29 MN / 2.29 MN

N_pl,Rd / N_b,Rd7.94 MN / 7.64 MN

N_cr,y / N_cr,z59.30 MN / 59.30 MN

f_yt = 20.0 mm > 16 mm, EN 10210-1265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.96

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.