RHS 260×180/12.5 is a cold-formed rectangular hollow section per EN 10219: height 260 mm, width 180 mm, wall thickness 12.5 mm, weight 76.2 kg/m, cross-section area 97 cm², moment of inertia Iy = 8482 cm⁴, elastic section modulus Wel,y = 652.5 cm³.
Geometry
Height h260.00 mm
Width b180.00 mm
Wall thickness t12.50 mm
Outer corner radius ro37.50 mm
Inner corner radius ri25.00 mm
Cross-section area A97.040 cm²
Weight G steel 7850 kg/m³76.20kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)8 482.000 cm⁴4 812.000 cm⁴
WelⓘElastic section modulus652.500 cm³534.700 cm³
WplⓘPlastic section modulus815.300 cm³634.600 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion10 680.000 cm⁴