RHS · EN 10219 · cold formed

RHS 50×30/3

RHS 50×30/3 is a cold-formed rectangular hollow section per EN 10219: height 50 mm, width 30 mm, wall thickness 3 mm, weight 3.3 kg/m, cross-section area 4.2 cm², moment of inertia Iy = 12.8 cm⁴, elastic section modulus Wel,y = 5.1 cm³.

Cross section · mm

50Height h · mm

30Width b · mm

4.21Area A · cm²

3.30Mass G · kg/m

Geometry

Height h50.00 mm

Width b30.00 mm

Wall thickness t3.00 mm

Outer corner radius r_o6.00 mm

Inner corner radius r_i3.00 mm

Cross-section area A4.210 cm²

Weight G
steel 7850 kg/m³3.30kg/m

Section properties

I12.830 cm⁴5.700 cm⁴

W_el5.132 cm³3.800 cm³

W_pl6.568 cm³4.579 cm³

I_t13.530 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 50×30/3 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/ 1.8 kN·m

Shear/ 41.8 kN

Compression/ 4.3 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl1.8 kN·m / 1.3 kN·m

V_c,z,Rd / V_c,y,RdA_v = 263 mm²41.8 kN / 25.1 kN

N_pl,Rd / N_b,Rd115.8 kN / 4.3 kN

N_cr,y / N_cr,z10.6 kN / 4.7 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.