Rectangular and square HSS

HSS 406x406x22

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

Dimensions

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

Mass and area

Mass per lengthm
258.1kg/m
Cross-sectional areaA
32,874mm²
Outside perimeterP
1,549mm

Strong axis x–x

Moment of inertiaIx
792.410⁶ mm⁴
Elastic section modulusSx
3,90010³ mm³
Plastic section modulusZx
4,67210³ mm³
Radius of gyrationrx
155.3mm

Weak axis y–y

Moment of inertiaIy
792.410⁶ mm⁴
Elastic section modulusSy
3,90010³ mm³
Plastic section modulusZy
4,67210³ mm³
Radius of gyrationry
155.3mm

Torsion and stability

Torsional constantJ
1,297,22010³ mm⁴

Equivalents in other standards