Rectangular and square HSS

HSS 64x64x8.0

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 = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
63.5mm
Widthb
63.5mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
12.58kg/m
Cross-sectional areaA
1,602mm²
Outside perimeterP
226.7mm

Strong axis x–x

Moment of inertiaIx
0.778710⁶ mm⁴
Elastic section modulusSx
24.5310³ mm³
Plastic section modulusZx
32.110³ mm³
Radius of gyrationrx
22.05mm

Weak axis y–y

Moment of inertiaIy
0.778710⁶ mm⁴
Elastic section modulusSy
24.5310³ mm³
Plastic section modulusZy
32.110³ mm³
Radius of gyrationry
22.05mm

Torsion and stability

Torsional constantJ
1,41710³ mm⁴

Equivalents in other standards