Cold-formed rectangular hollow sections (EN 10219)

RHS 80x40x4

Standard: EN 10219-2:2006Source: Geometry: Steel Section Database (MIT) — calculated properties (exact engine)
xyb = 40d = 80t = 4t = 4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
80mm
Widthb
40mm
Thicknesst
4mm
Outside corner radiusro
8mm

Mass and area

Mass per lengthm
6.71kg/m
Cross-sectional areaA
854.8mm²
Outside perimeterP
226.3mm

Strong axis x–x

Moment of inertiaIx
0.647910⁶ mm⁴
Elastic section modulusSx
16.210³ mm³
Plastic section modulusZx
20.9110³ mm³
Radius of gyrationrx
27.53mm

Weak axis y–y

Moment of inertiaIy
0.214910⁶ mm⁴
Elastic section modulusSy
10.7410³ mm³
Plastic section modulusZy
12.7710³ mm³
Radius of gyrationry
15.85mm

Torsion and stability

Torsional constantJ
552.410³ mm⁴

Equivalents in other standards