Rectangular and square HSS

HSS 254x203x6.4

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 = 203.2d = 254t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Widthb
203.2mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
43.5kg/m
Cross-sectional areaA
5,541mm²
Outside perimeterP
892.6mm

Strong axis x–x

Moment of inertiaIx
52.810⁶ mm⁴
Elastic section modulusSx
415.810³ mm³
Plastic section modulusZx
491.410³ mm³
Radius of gyrationrx
97.62mm

Weak axis y–y

Moment of inertiaIy
37.5310⁶ mm⁴
Elastic section modulusSy
369.410³ mm³
Plastic section modulusZy
422.310³ mm³
Radius of gyrationry
82.3mm

Torsion and stability

Torsional constantJ
69,02810³ mm⁴

Equivalents in other standards