Hot-finished RHS

250x100x12.5

Standard: BS EN 10210-2Source: Calculated — radii per EN 10210-2
Singapore uses BS / BS EN sections; same data as the United Kingdom.
xyb = 100d = 250t = 12.5t = 12.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
250mm
Widthb
100mm
Thicknesst
12.5mm
Outside corner radiusro
18.75mm

Mass and area

Mass per lengthm
62.47kg/m
Cross-sectional areaA
7,957mm²
Outside perimeterP
667.8mm

Strong axis x–x

Moment of inertiaIx
56.2210⁶ mm⁴
Elastic section modulusSx
449.810³ mm³
Plastic section modulusZx
591.510³ mm³
Radius of gyrationrx
84.06mm

Weak axis y–y

Moment of inertiaIy
12.4510⁶ mm⁴
Elastic section modulusSy
24910³ mm³
Plastic section modulusZy
299.410³ mm³
Radius of gyrationry
39.55mm

Torsion and stability

Torsional constantJ
34,36010³ mm⁴

Equivalents in other standards