Cold-formed RHS

400x200x12.5

Standard: BS EN 10219-2Source: Calculated — radii per EN 10219-2
xyb = 200d = 400t = 12.5t = 12.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
400mm
Widthb
200mm
Thicknesst
12.5mm
Outside corner radiusro
37.5mm

Mass and area

Mass per lengthm
107.6kg/m
Cross-sectional areaA
13,704mm²
Outside perimeterP
1,136mm

Strong axis x–x

Moment of inertiaIx
27110⁶ mm⁴
Elastic section modulusSx
1,35510³ mm³
Plastic section modulusZx
1,71410³ mm³
Radius of gyrationrx
140.6mm

Weak axis y–y

Moment of inertiaIy
92.610⁶ mm⁴
Elastic section modulusSy
92610³ mm³
Plastic section modulusZy
1,06210³ mm³
Radius of gyrationry
82.2mm

Torsion and stability

Torsional constantJ
235,94110³ mm⁴

Equivalents in other standards