Rectangular and square HSS

HSS 254x51x9.5

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 = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Widthb
50.8mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
40.88kg/m
Cross-sectional areaA
5,207mm²
Outside perimeterP
576.9mm

Strong axis x–x

Moment of inertiaIx
31.3810⁶ mm⁴
Elastic section modulusSx
247.110³ mm³
Plastic section modulusZx
351.810³ mm³
Radius of gyrationrx
77.63mm

Weak axis y–y

Moment of inertiaIy
2.01910⁶ mm⁴
Elastic section modulusSy
79.510³ mm³
Plastic section modulusZy
99.110³ mm³
Radius of gyrationry
19.69mm

Torsion and stability

Torsional constantJ
7,00410³ mm⁴

Equivalents in other standards