RHS 200×120/12.5 is a cold-formed rectangular hollow section per EN 10219: height 200 mm, width 120 mm, wall thickness 12.5 mm, weight 52.6 kg/m, cross-section area 67 cm², moment of inertia Iy = 3099 cm⁴, elastic section modulus Wel,y = 309.9 cm³.
Geometry
Height h200.00 mm
Width b120.00 mm
Wall thickness t12.50 mm
Outer corner radius ro37.50 mm
Inner corner radius ri25.00 mm
Cross-section area A67.040 cm²
Weight G steel 7850 kg/m³52.60kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)3 099.000 cm⁴1 397.000 cm⁴
WelⓘElastic section modulus309.900 cm³232.900 cm³
WplⓘPlastic section modulus406.000 cm³285.300 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion3 514.000 cm⁴