Rectangular and square HSS

HSS 406x203x22

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 = 406.4t = 22.22t = 22.22
Cross-section, to scaledimensions in mm

Dimensions

Depthd
406.4mm
Widthb
203.2mm
Thicknesst
22.22mm
Outside corner radiusro
44.45mm

Mass and area

Mass per lengthm
187.2kg/m
Cross-sectional areaA
23,844mm²
Outside perimeterP
1,143mm

Strong axis x–x

Moment of inertiaIx
458.910⁶ mm⁴
Elastic section modulusSx
2,25810³ mm³
Plastic section modulusZx
2,93710³ mm³
Radius of gyrationrx
138.7mm

Weak axis y–y

Moment of inertiaIy
151.410⁶ mm⁴
Elastic section modulusSy
1,49010³ mm³
Plastic section modulusZy
1,79010³ mm³
Radius of gyrationry
79.69mm

Torsion and stability

Torsional constantJ
393,41710³ mm⁴

Equivalents in other standards