RHS · EN 10210 · hot finished

RHS 300×200/12.5

RHS 300×200/12.5 is a hot-finished rectangular hollow section per EN 10210: height 300 mm, width 200 mm, wall thickness 12.5 mm, weight 91.9 kg/m, cross-section area 117.1 cm², moment of inertia Iy = 14270 cm⁴, elastic section modulus Wel,y = 951.5 cm³.

Cross section · mm
yz20030012.5[mm]
300Height h · mm
200Width b · mm
117.07Area A · cm²
91.90Mass G · kg/m
Geometry
Height h300.00 mm
Width b200.00 mm
Wall thickness t12.50 mm
Outer corner radius ro18.75 mm
Inner corner radius ri12.50 mm
Cross-section area A117.070 cm²
Weight G
steel 7850 kg/m³
91.90kg/m
Section properties
I14 270.000 cm⁴7 537.000 cm⁴
Wel951.500 cm³753.700 cm³
Wpl1 165.000 cm³877.000 cm³
It15 680.000 cm⁴
Reference
Profile standardEN 10210
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

Enter the design loads and the section is checked for bending, shear and compression with flexural buckling.

Bending/ 320.4 kN·m
Shear/ 1.12 MN
Compression/ 2.70 MN
Class1
Resistances and factors
Mc,y,Rd / Mc,z,RdW_pl320.4 kN·m / 241.2 kN·m
Vc,z,Rd / Vc,y,RdA_v = 7024 mm²1.12 MN / 743.5 kN
Npl,Rd / Nb,Rd3.22 MN / 2.70 MN
Ncr,y / Ncr,z11.83 MN / 6.25 MN
fyEN 10210-1275 MPa
γM0 / γM11.00 / 1.00
Curve a · χ0.84

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.