RHS · EN 10219 · cold formed

RHS 50×30/2.5

RHS 50×30/2.5 is a cold-formed rectangular hollow section per EN 10219: height 50 mm, width 30 mm, wall thickness 2.5 mm, weight 2.8 kg/m, cross-section area 3.6 cm², moment of inertia Iy = 11.3 cm⁴, elastic section modulus Wel,y = 4.5 cm³.

Cross section · mm

50Height h · mm

30Width b · mm

3.59Area A · cm²

2.82Mass G · kg/m

Geometry

Height h50.00 mm

Width b30.00 mm

Wall thickness t2.50 mm

Outer corner radius r_o5.00 mm

Inner corner radius r_i2.50 mm

Cross-section area A3.590 cm²

Weight G
steel 7850 kg/m³2.82kg/m

Section properties

I11.300 cm⁴5.052 cm⁴

W_el4.519 cm³3.368 cm³

W_pl5.699 cm³3.985 cm³

I_t11.740 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 50×30/2.5 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/ 1.6 kN·m

Shear/ 35.6 kN

Compression/ 3.8 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl1.6 kN·m / 1.1 kN·m

V_c,z,Rd / V_c,y,RdA_v = 224 mm²35.6 kN / 21.4 kN

N_pl,Rd / N_b,Rd98.7 kN / 3.8 kN

N_cr,y / N_cr,z9.4 kN / 4.2 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.04

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.