RHS · EN 10219 · cold formed

RHS 180×100/6.3

RHS 180×100/6.3 is a cold-formed rectangular hollow section per EN 10219: height 180 mm, width 100 mm, wall thickness 6.3 mm, weight 25.4 kg/m, cross-section area 32.3 cm², moment of inertia Iy = 1335 cm⁴, elastic section modulus Wel,y = 148.3 cm³.

Cross section · mm

180Height h · mm

100Width b · mm

32.33Area A · cm²

25.40Mass G · kg/m

Geometry

Height h180.00 mm

Width b100.00 mm

Wall thickness t6.30 mm

Outer corner radius r_o15.75 mm

Inner corner radius r_i9.45 mm

Cross-section area A32.330 cm²

Weight G
steel 7850 kg/m³25.40kg/m

Section properties

I1 335.000 cm⁴535.800 cm⁴

W_el148.300 cm³107.200 cm³

W_pl185.500 cm³123.600 cm³

I_t1 283.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 180×100/6.3 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/ 51.0 kN·m

Shear/ 330.0 kN

Compression/ 305.7 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl51.0 kN·m / 34.0 kN·m

V_c,z,Rd / V_c,y,RdA_v = 2078 mm²330.0 kN / 183.3 kN

N_pl,Rd / N_b,Rd889.1 kN / 305.7 kN

N_cr,y / N_cr,z1.11 MN / 444.2 kN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.34

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.