RHS 100×50/2.5 is a cold-formed rectangular hollow section per EN 10219: height 100 mm, width 50 mm, wall thickness 2.5 mm, weight 5.6 kg/m, cross-section area 7.1 cm², moment of inertia Iy = 91.2 cm⁴, elastic section modulus Wel,y = 18.2 cm³.
Geometry
Height h100.00 mm
Width b50.00 mm
Wall thickness t2.50 mm
Outer corner radius ro5.00 mm
Inner corner radius ri2.50 mm
Cross-section area A7.090 cm²
Weight G steel 7850 kg/m³5.56kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)91.200 cm⁴31.060 cm⁴
WelⓘElastic section modulus18.240 cm³12.420 cm³
WplⓘPlastic section modulus22.670 cm³14.010 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion75.390 cm⁴