RHS · EN 10219 · cold formed

RHS 90×50/2.5

RHS 90×50/2.5 is a cold-formed rectangular hollow section per EN 10219: height 90 mm, width 50 mm, wall thickness 2.5 mm, weight 5.2 kg/m, cross-section area 6.6 cm², moment of inertia Iy = 70.3 cm⁴, elastic section modulus Wel,y = 15.6 cm³.

Cross section · mm

90Height h · mm

50Width b · mm

6.59Area A · cm²

5.17Mass G · kg/m

Geometry

Height h90.00 mm

Width b50.00 mm

Wall thickness t2.50 mm

Outer corner radius r_o5.00 mm

Inner corner radius r_i2.50 mm

Cross-section area A6.590 cm²

Weight G
steel 7850 kg/m³5.17kg/m

Section properties

I70.260 cm⁴28.240 cm⁴

W_el15.610 cm³11.290 cm³

W_pl19.250 cm³12.820 cm³

I_t65.300 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 90×50/2.5 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/ 5.3 kN·m

Shear/ 67.3 kN

Compression/ 19.8 kN

Steelγ_M0γ_M1L_crmmkClass1 / 2bending / compression

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl5.3 kN·m / 3.5 kN·m

V_c,z,Rd / V_c,y,RdA_v = 424 mm²67.3 kN / 37.4 kN

N_pl,Rd / N_b,Rd181.2 kN / 19.8 kN

N_cr,y / N_cr,z58.2 kN / 23.4 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.11

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.