RHS 200×120/12.5 is a hot-finished rectangular hollow section per EN 10210: height 200 mm, width 120 mm, wall thickness 12.5 mm, weight 56.6 kg/m, cross-section area 72.1 cm², moment of inertia Iy = 3576 cm⁴, elastic section modulus Wel,y = 357.6 cm³.
Geometry
Height h200.00 mm
Width b120.00 mm
Wall thickness t12.50 mm
Outer corner radius ro18.75 mm
Inner corner radius ri12.50 mm
Cross-section area A72.070 cm²
Weight G steel 7850 kg/m³56.60kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)3 576.000 cm⁴1 562.000 cm⁴
WelⓘElastic section modulus357.600 cm³260.400 cm³
WplⓘPlastic section modulus455.100 cm³314.300 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion3 569.000 cm⁴