RHS · EN 10210 · hot finished

RHS 180×100/12.5

RHS 180×100/12.5 is a hot-finished rectangular hollow section per EN 10210: height 180 mm, width 100 mm, wall thickness 12.5 mm, weight 48.7 kg/m, cross-section area 62.1 cm², moment of inertia Iy = 2385 cm⁴, elastic section modulus Wel,y = 265 cm³.

Cross section · mm

180Height h · mm

100Width b · mm

62.07Area A · cm²

48.70Mass G · kg/m

Geometry

Height h180.00 mm

Width b100.00 mm

Wall thickness t12.50 mm

Outer corner radius r_o18.75 mm

Inner corner radius r_i12.50 mm

Cross-section area A62.070 cm²

Weight G
steel 7850 kg/m³48.70kg/m

Section properties

I2 385.000 cm⁴907.600 cm⁴

W_el265.000 cm³181.500 cm³

W_pl343.700 cm³222.900 cm³

I_t2 191.000 cm⁴

Reference

Profile standardEN 10210

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 180×100/12.5 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/ 94.5 kN·m

Shear/ 633.5 kN

Compression/ 631.3 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl94.5 kN·m / 61.3 kN·m

V_c,z,Rd / V_c,y,RdA_v = 3990 mm²633.5 kN / 352.0 kN

N_pl,Rd / N_b,Rd1.71 MN / 631.3 kN

N_cr,y / N_cr,z1.98 MN / 752.4 kN

f_yEN 10210-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve a · χ0.37

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.