Hot-finished RHS

80x40x5.0

Standard: BS EN 10210-2Source: Calculated — radii per EN 10210-2
Singapore uses BS / BS EN sections; same data as the United Kingdom.
xyb = 40d = 80t = 5t = 5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
80mm
Widthb
40mm
Thicknesst
5mm
Outside corner radiusro
7.5mm

Mass and area

Mass per lengthm
8.424kg/m
Cross-sectional areaA
1,073mm²
Outside perimeterP
227.1mm

Strong axis x–x

Moment of inertiaIx
0.802810⁶ mm⁴
Elastic section modulusSx
20.0710³ mm³
Plastic section modulusZx
26.1310³ mm³
Radius of gyrationrx
27.35mm

Weak axis y–y

Moment of inertiaIy
0.25710⁶ mm⁴
Elastic section modulusSy
12.8510³ mm³
Plastic section modulusZy
15.6610³ mm³
Radius of gyrationry
15.48mm

Torsion and stability

Torsional constantJ
650.510³ mm⁴

Equivalents in other standards