RHS 180×100/12.5 is a cold-formed rectangular hollow section per EN 10219: height 180 mm, width 100 mm, wall thickness 12.5 mm, weight 44.8 kg/m, cross-section area 57 cm², moment of inertia Iy = 2001 cm⁴, elastic section modulus Wel,y = 222.3 cm³.
Geometry
Height h180.00 mm
Width b100.00 mm
Wall thickness t12.50 mm
Outer corner radius ro37.50 mm
Inner corner radius ri25.00 mm
Cross-section area A57.040 cm²
Weight G steel 7850 kg/m³44.80kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)2 001.000 cm⁴795.800 cm⁴
WelⓘElastic section modulus222.300 cm³159.200 cm³
WplⓘPlastic section modulus299.600 cm³198.900 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion2 122.000 cm⁴