Cold-formed RHS

100x80x4.0

Standard: BS EN 10219-2Source: Calculated — radii per EN 10219-2
xyb = 80d = 100t = 4t = 4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
100mm
Widthb
80mm
Thicknesst
4mm
Outside corner radiusro
8mm

Mass and area

Mass per lengthm
10.48kg/m
Cross-sectional areaA
1,335mm²
Outside perimeterP
346.3mm

Strong axis x–x

Moment of inertiaIx
1.89510⁶ mm⁴
Elastic section modulusSx
37.8910³ mm³
Plastic section modulusZx
45.6210³ mm³
Radius of gyrationrx
37.68mm

Weak axis y–y

Moment of inertiaIy
1.34210⁶ mm⁴
Elastic section modulusSy
33.5410³ mm³
Plastic section modulusZy
39.1510³ mm³
Radius of gyrationry
31.7mm

Torsion and stability

Torsional constantJ
2,53810³ mm⁴

Equivalents in other standards