RHS 180×100/5 is a hot-finished rectangular hollow section per EN 10210: height 180 mm, width 100 mm, wall thickness 5 mm, weight 21 kg/m, cross-section area 26.7 cm², moment of inertia Iy = 1153 cm⁴, elastic section modulus Wel,y = 128.1 cm³.
Geometry
Height h180.00 mm
Width b100.00 mm
Wall thickness t5.00 mm
Outer corner radius ro7.50 mm
Inner corner radius ri5.00 mm
Cross-section area A26.730 cm²
Weight G steel 7850 kg/m³21.00kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)1 153.000 cm⁴460.100 cm⁴
WelⓘElastic section modulus128.100 cm³92.020 cm³
WplⓘPlastic section modulus157.300 cm³104.400 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion1 042.000 cm⁴