Rectangular and square HSS

HSS 203x51x9.5

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 = 203.2t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Widthb
50.8mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
33.28kg/m
Cross-sectional areaA
4,240mm²
Outside perimeterP
475.3mm

Strong axis x–x

Moment of inertiaIx
16.6610⁶ mm⁴
Elastic section modulusSx
16410³ mm³
Plastic section modulusZx
231.810³ mm³
Radius of gyrationrx
62.69mm

Weak axis y–y

Moment of inertiaIy
1.610⁶ mm⁴
Elastic section modulusSy
62.9910³ mm³
Plastic section modulusZy
79.1410³ mm³
Radius of gyrationry
19.43mm

Torsion and stability

Torsional constantJ
5,35610³ mm⁴

Equivalents in other standards