RHS 180×100/8 is a cold-formed rectangular hollow section per EN 10219: height 180 mm, width 100 mm, wall thickness 8 mm, weight 31.4 kg/m, cross-section area 40 cm², moment of inertia Iy = 1598 cm⁴, elastic section modulus Wel,y = 177.6 cm³.
Geometry
Height h180.00 mm
Width b100.00 mm
Wall thickness t8.00 mm
Outer corner radius ro20.00 mm
Inner corner radius ri12.00 mm
Cross-section area A40.040 cm²
Weight G steel 7850 kg/m³31.40kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)1 598.000 cm⁴637.500 cm⁴
WelⓘElastic section modulus177.600 cm³127.500 cm³
WplⓘPlastic section modulus225.600 cm³149.900 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion1 565.000 cm⁴