RHS 100×80/3 is a cold-formed rectangular hollow section per EN 10219: height 100 mm, width 80 mm, wall thickness 3 mm, weight 8 kg/m, cross-section area 10.2 cm², moment of inertia Iy = 148.8 cm⁴, elastic section modulus Wel,y = 29.8 cm³.
Geometry
Height h100.00 mm
Width b80.00 mm
Wall thickness t3.00 mm
Outer corner radius ro6.00 mm
Inner corner radius ri3.00 mm
Cross-section area A10.210 cm²
Weight G steel 7850 kg/m³8.01kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)148.800 cm⁴105.600 cm⁴
WelⓘElastic section modulus29.760 cm³26.410 cm³
WplⓘPlastic section modulus35.390 cm³30.400 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion196.100 cm⁴