Cold-formed rectangular hollow sections (EN 10219)

RHS 40x20x2.5

Standard: EN 10219-2:2006Source: Geometry: Steel Section Database (MIT) — calculated properties (exact engine)
xyb = 20d = 40t = 2.5t = 2.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
40mm
Widthb
20mm
Thicknesst
2.5mm
Outside corner radiusro
5mm

Mass and area

Mass per lengthm
2.032kg/m
Cross-sectional areaA
258.9mm²
Outside perimeterP
111.4mm

Strong axis x–x

Moment of inertiaIx
0.0469410⁶ mm⁴
Elastic section modulusSx
2.34710³ mm³
Plastic section modulusZx
3.09210³ mm³
Radius of gyrationrx
13.47mm

Weak axis y–y

Moment of inertiaIy
0.0153710⁶ mm⁴
Elastic section modulusSy
1.53710³ mm³
Plastic section modulusZy
1.87810³ mm³
Radius of gyrationry
7.705mm

Torsion and stability

Torsional constantJ
40.6110³ mm⁴

Equivalents in other standards