Cold-formed RHS

180x80x4.0

Standard: BS EN 10219-2Source: Calculated — radii per EN 10219-2
xyb = 80d = 180t = 4t = 4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
180mm
Widthb
80mm
Thicknesst
4mm
Outside corner radiusro
8mm

Mass and area

Mass per lengthm
15.5kg/m
Cross-sectional areaA
1,975mm²
Outside perimeterP
506.3mm

Strong axis x–x

Moment of inertiaIx
8.02110⁶ mm⁴
Elastic section modulusSx
89.1210³ mm³
Plastic section modulusZx
111.810³ mm³
Radius of gyrationrx
63.73mm

Weak axis y–y

Moment of inertiaIy
2.26710⁶ mm⁴
Elastic section modulusSy
56.6710³ mm³
Plastic section modulusZy
63.4710³ mm³
Radius of gyrationry
33.88mm

Torsion and stability

Torsional constantJ
5,78210³ mm⁴

Equivalents in other standards