Rectangular and square HSS

HSS 406x203x9.5

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 = 203.2d = 406.4t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
406.4mm
Widthb
203.2mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
86.43kg/m
Cross-sectional areaA
11,011mm²
Outside perimeterP
1,186mm

Strong axis x–x

Moment of inertiaIx
235.110⁶ mm⁴
Elastic section modulusSx
1,15710³ mm³
Plastic section modulusZx
1,43510³ mm³
Radius of gyrationrx
146.1mm

Weak axis y–y

Moment of inertiaIy
80.2110⁶ mm⁴
Elastic section modulusSy
789.410³ mm³
Plastic section modulusZy
887.410³ mm³
Radius of gyrationry
85.35mm

Torsion and stability

Torsional constantJ
193,98510³ mm⁴

Equivalents in other standards