Rectangular and square HSS

HSS 254x51x8.0

Standard: CSA G40.20/G40.21Source: Calculated (exact engine)
Calculated: design thickness = nominal thickness (CSA G40.20, Class C), outside radius 2t. Range derived from ASTM A500 sizes — cross-check with the CISC tables.
xyb = 50.8d = 254t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Widthb
50.8mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
34.74kg/m
Cross-sectional areaA
4,426mm²
Outside perimeterP
582.3mm

Strong axis x–x

Moment of inertiaIx
27.5310⁶ mm⁴
Elastic section modulusSx
216.710³ mm³
Plastic section modulusZx
30410³ mm³
Radius of gyrationrx
78.86mm

Weak axis y–y

Moment of inertiaIy
1.83810⁶ mm⁴
Elastic section modulusSy
72.3610³ mm³
Plastic section modulusZy
87.410³ mm³
Radius of gyrationry
20.38mm

Torsion and stability

Torsional constantJ
6,28510³ mm⁴

Equivalents in other standards