RHS 300×100/12.5 is a cold-formed rectangular hollow section per EN 10219: height 300 mm, width 100 mm, wall thickness 12.5 mm, weight 68.3 kg/m, cross-section area 87 cm², moment of inertia Iy = 8010 cm⁴, elastic section modulus Wel,y = 534 cm³.
Geometry
Height h300.00 mm
Width b100.00 mm
Wall thickness t12.50 mm
Outer corner radius ro37.50 mm
Inner corner radius ri25.00 mm
Cross-section area A87.040 cm²
Weight G steel 7850 kg/m³68.30kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)8 010.000 cm⁴1 374.000 cm⁴
WelⓘElastic section modulus534.000 cm³274.800 cm³
WplⓘPlastic section modulus731.800 cm³330.200 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion4 292.000 cm⁴