RHS · EN 10210 · hot finished

RHS 160×80/12.5

RHS 160×80/12.5 is a hot-finished rectangular hollow section per EN 10210: height 160 mm, width 80 mm, wall thickness 12.5 mm, weight 40.9 kg/m, cross-section area 52.1 cm², moment of inertia Iy = 1485 cm⁴, elastic section modulus Wel,y = 185.7 cm³.

Cross section · mm

160Height h · mm

80Width b · mm

52.07Area A · cm²

40.90Mass G · kg/m

Geometry

Height h160.00 mm

Width b80.00 mm

Wall thickness t12.50 mm

Outer corner radius r_o18.75 mm

Inner corner radius r_i12.50 mm

Cross-section area A52.070 cm²

Weight G
steel 7850 kg/m³40.90kg/m

Section properties

I1 485.000 cm⁴464.700 cm⁴

W_el185.700 cm³116.200 cm³

W_pl247.200 cm³146.400 cm³

I_t1 204.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 160×80/12.5 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/ 68.0 kN·m

Shear/ 551.1 kN

Compression/ 341.5 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl68.0 kN·m / 40.3 kN·m

V_c,z,Rd / V_c,y,RdA_v = 3471 mm²551.1 kN / 275.6 kN

N_pl,Rd / N_b,Rd1.43 MN / 341.5 kN

N_cr,y / N_cr,z1.23 MN / 385.3 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.24

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.