RHS 180×100/12.5 is a hot-finished rectangular hollow section per EN 10210: height 180 mm, width 100 mm, wall thickness 12.5 mm, weight 48.7 kg/m, cross-section area 62.1 cm², moment of inertia Iy = 2385 cm⁴, elastic section modulus Wel,y = 265 cm³.
Geometry
Height h180.00 mm
Width b100.00 mm
Wall thickness t12.50 mm
Outer corner radius ro18.75 mm
Inner corner radius ri12.50 mm
Cross-section area A62.070 cm²
Weight G steel 7850 kg/m³48.70kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)2 385.000 cm⁴907.600 cm⁴
WelⓘElastic section modulus265.000 cm³181.500 cm³
WplⓘPlastic section modulus343.700 cm³222.900 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion2 191.000 cm⁴