Rectangular and square HSS

HSS 64x64x6.4

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 = 63.5d = 63.5t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
63.5mm
Widthb
63.5mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
10.58kg/m
Cross-sectional areaA
1,348mm²
Outside perimeterP
232.2mm

Strong axis x–x

Moment of inertiaIx
0.703410⁶ mm⁴
Elastic section modulusSx
22.1510³ mm³
Plastic section modulusZx
28.0610³ mm³
Radius of gyrationrx
22.84mm

Weak axis y–y

Moment of inertiaIy
0.703410⁶ mm⁴
Elastic section modulusSy
22.1510³ mm³
Plastic section modulusZy
28.0610³ mm³
Radius of gyrationry
22.84mm

Torsion and stability

Torsional constantJ
1,23510³ mm⁴

Equivalents in other standards