RHS 160×80/12.5 is a cold-formed rectangular hollow section per EN 10219: height 160 mm, width 80 mm, wall thickness 12.5 mm, weight 36.9 kg/m, cross-section area 47 cm², moment of inertia Iy = 1185 cm⁴, elastic section modulus Wel,y = 148.1 cm³.
Geometry
Height h160.00 mm
Width b80.00 mm
Wall thickness t12.50 mm
Outer corner radius ro37.50 mm
Inner corner radius ri25.00 mm
Cross-section area A47.040 cm²
Weight G steel 7850 kg/m³36.90kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)1 185.000 cm⁴395.800 cm⁴
WelⓘElastic section modulus148.100 cm³98.940 cm³
WplⓘPlastic section modulus208.200 cm³127.500 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion1 129.000 cm⁴