RHS 300×150/12.5 is a cold-formed rectangular hollow section per EN 10219: height 300 mm, width 150 mm, wall thickness 12.5 mm, weight 78.1 kg/m, cross-section area 99.5 cm², moment of inertia Iy = 10590 cm⁴, elastic section modulus Wel,y = 706.3 cm³.
Geometry
Height h300.00 mm
Width b150.00 mm
Wall thickness t12.50 mm
Outer corner radius ro37.50 mm
Inner corner radius ri25.00 mm
Cross-section area A99.540 cm²
Weight G steel 7850 kg/m³78.10kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)10 590.000 cm⁴3 595.000 cm⁴
WelⓘElastic section modulus706.300 cm³479.300 cm³
WplⓘPlastic section modulus911.500 cm³563.400 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion9 452.000 cm⁴