RHS · EN 10219 · cold formed

RHS 300×200/12.5

RHS 300×200/12.5 is a cold-formed rectangular hollow section per EN 10219: height 300 mm, width 200 mm, wall thickness 12.5 mm, weight 88 kg/m, cross-section area 112 cm², moment of inertia Iy = 13180 cm⁴, elastic section modulus Wel,y = 878.6 cm³.

Cross section · mm

300Height h · mm

200Width b · mm

112.04Area A · cm²

88.00Mass G · kg/m

Geometry

Height h300.00 mm

Width b200.00 mm

Wall thickness t12.50 mm

Outer corner radius r_o37.50 mm

Inner corner radius r_i25.00 mm

Cross-section area A112.040 cm²

Weight G
steel 7850 kg/m³88.00kg/m

Section properties

I13 180.000 cm⁴7 060.000 cm⁴

W_el878.600 cm³706.000 cm³

W_pl1 091.000 cm³827.900 cm³

I_t15 770.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 300×200/12.5 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/ 300.0 kN·m

Shear/ 1.07 MN

Compression/ 2.18 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl300.0 kN·m / 227.7 kN·m

V_c,z,Rd / V_c,y,RdA_v = 6722 mm²1.07 MN / 711.5 kN

N_pl,Rd / N_b,Rd3.08 MN / 2.18 MN

N_cr,y / N_cr,z10.93 MN / 5.85 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.71

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.