RHS · EN 10219 · cold formed

RHS 50×30/4

RHS 50×30/4 is a cold-formed rectangular hollow section per EN 10219: height 50 mm, width 30 mm, wall thickness 4 mm, weight 4.2 kg/m, cross-section area 5.4 cm², moment of inertia Iy = 15.3 cm⁴, elastic section modulus Wel,y = 6.1 cm³.

Cross section · mm

50Height h · mm

30Width b · mm

5.35Area A · cm²

4.20Mass G · kg/m

Geometry

Height h50.00 mm

Width b30.00 mm

Wall thickness t4.00 mm

Outer corner radius r_o8.00 mm

Inner corner radius r_i4.00 mm

Cross-section area A5.350 cm²

Weight G
steel 7850 kg/m³4.20kg/m

Section properties

I15.250 cm⁴6.693 cm⁴

W_el6.100 cm³4.462 cm³

W_pl8.049 cm³5.581 cm³

I_t16.530 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 50×30/4 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/ 2.2 kN·m

Shear/ 53.1 kN

Compression/ 5.1 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl2.2 kN·m / 1.5 kN·m

V_c,z,Rd / V_c,y,RdA_v = 334 mm²53.1 kN / 31.9 kN

N_pl,Rd / N_b,Rd147.1 kN / 5.1 kN

N_cr,y / N_cr,z12.6 kN / 5.5 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.03

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.