Cold-formed RHS

80x40x3.0

Standard: BS EN 10219-2Source: Calculated — radii per EN 10219-2
xyb = 40d = 80t = 3t = 3
Cross-section, to scaledimensions in mm

Dimensions

Depthd
80mm
Widthb
40mm
Thicknesst
3mm
Outside corner radiusro
6mm

Mass and area

Mass per lengthm
5.187kg/m
Cross-sectional areaA
660.8mm²
Outside perimeterP
229.7mm

Strong axis x–x

Moment of inertiaIx
0.522510⁶ mm⁴
Elastic section modulusSx
13.0610³ mm³
Plastic section modulusZx
16.5410³ mm³
Radius of gyrationrx
28.12mm

Weak axis y–y

Moment of inertiaIy
0.175610⁶ mm⁴
Elastic section modulusSy
8.77810³ mm³
Plastic section modulusZy
10.1610³ mm³
Radius of gyrationry
16.3mm

Torsion and stability

Torsional constantJ
438.810³ mm⁴

Equivalents in other standards