RHS · EN 10219 · cold formed

RHS 260×180/12.5

RHS 260×180/12.5 is a cold-formed rectangular hollow section per EN 10219: height 260 mm, width 180 mm, wall thickness 12.5 mm, weight 76.2 kg/m, cross-section area 97 cm², moment of inertia Iy = 8482 cm⁴, elastic section modulus Wel,y = 652.5 cm³.

Cross section · mm

260Height h · mm

180Width b · mm

97.04Area A · cm²

76.20Mass G · kg/m

Geometry

Height h260.00 mm

Width b180.00 mm

Wall thickness t12.50 mm

Outer corner radius r_o37.50 mm

Inner corner radius r_i25.00 mm

Cross-section area A97.040 cm²

Weight G
steel 7850 kg/m³76.20kg/m

Section properties

I8 482.000 cm⁴4 812.000 cm⁴

W_el652.500 cm³534.700 cm³

W_pl815.300 cm³634.600 cm³

I_t10 680.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 260×180/12.5 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/ 224.2 kN·m

Shear/ 910.4 kN

Compression/ 1.74 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl224.2 kN·m / 174.5 kN·m

V_c,z,Rd / V_c,y,RdA_v = 5734 mm²910.4 kN / 630.3 kN

N_pl,Rd / N_b,Rd2.67 MN / 1.74 MN

N_cr,y / N_cr,z7.03 MN / 3.99 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.65

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.