Cold-formed rectangular hollow sections (EN 10219)

RHS 80x40x2.5

Standard: EN 10219-2:2006Source: Geometry: Steel Section Database (MIT) — calculated properties (exact engine)
xyb = 40d = 80t = 2.5t = 2.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
80mm
Widthb
40mm
Thicknesst
2.5mm
Outside corner radiusro
5mm

Mass and area

Mass per lengthm
4.387kg/m
Cross-sectional areaA
558.9mm²
Outside perimeterP
231.4mm

Strong axis x–x

Moment of inertiaIx
0.451110⁶ mm⁴
Elastic section modulusSx
11.2810³ mm³
Plastic section modulusZx
14.1510³ mm³
Radius of gyrationrx
28.41mm

Weak axis y–y

Moment of inertiaIy
0.152610⁶ mm⁴
Elastic section modulusSy
7.62810³ mm³
Plastic section modulusZy
8.71710³ mm³
Radius of gyrationry
16.52mm

Torsion and stability

Torsional constantJ
375.810³ mm⁴

Equivalents in other standards