RHS · EN 10219 · cold formed

RHS 300×100/8

RHS 300×100/8 is a cold-formed rectangular hollow section per EN 10219: height 300 mm, width 100 mm, wall thickness 8 mm, weight 46.5 kg/m, cross-section area 59.2 cm², moment of inertia Iy = 5978 cm⁴, elastic section modulus Wel,y = 398.5 cm³.

Cross section · mm

300Height h · mm

100Width b · mm

59.24Area A · cm²

46.50Mass G · kg/m

Geometry

Height h300.00 mm

Width b100.00 mm

Wall thickness t8.00 mm

Outer corner radius r_o20.00 mm

Inner corner radius r_i12.00 mm

Cross-section area A59.240 cm²

Weight G
steel 7850 kg/m³46.50kg/m

Section properties

I5 978.000 cm⁴1 045.000 cm⁴

W_el398.500 cm³209.000 cm³

W_pl523.500 cm³238.300 cm³

I_t3 080.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 300×100/8 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/ 144.0 kN·m

Shear/ 705.4 kN

Compression/ 586.6 kN

Steelγ_M0γ_M1L_crmmkClass1 / 2bending / compression

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl144.0 kN·m / 65.5 kN·m

V_c,z,Rd / V_c,y,RdA_v = 4443 mm²705.4 kN / 235.1 kN

N_pl,Rd / N_b,Rd1.63 MN / 586.6 kN

N_cr,y / N_cr,z4.96 MN / 866.4 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.36

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.