RHS 180×100/5 is a cold-formed rectangular hollow section per EN 10219: height 180 mm, width 100 mm, wall thickness 5 mm, weight 20.7 kg/m, cross-section area 26.4 cm², moment of inertia Iy = 1124 cm⁴, elastic section modulus Wel,y = 124.9 cm³.
Geometry
Height h180.00 mm
Width b100.00 mm
Wall thickness t5.00 mm
Outer corner radius ro10.00 mm
Inner corner radius ri5.00 mm
Cross-section area A26.360 cm²
Weight G steel 7850 kg/m³20.70kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)1 124.000 cm⁴451.800 cm⁴
WelⓘElastic section modulus124.900 cm³90.350 cm³
WplⓘPlastic section modulus154.000 cm³102.600 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion1 045.000 cm⁴