Rectangular and square HSS

HSS 64x25x3.2

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 = 25.4d = 63.5t = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Depthd
63.5mm
Widthb
25.4mm
Thicknesst
3.17mm
Outside corner radiusro
6.35mm

Mass and area

Mass per lengthm
3.905kg/m
Cross-sectional areaA
497.4mm²
Outside perimeterP
166.9mm

Strong axis x–x

Moment of inertiaIx
0.220110⁶ mm⁴
Elastic section modulusSx
6.93410³ mm³
Plastic section modulusZx
9.22710³ mm³
Radius of gyrationrx
21.04mm

Weak axis y–y

Moment of inertiaIy
0.0499510⁶ mm⁴
Elastic section modulusSy
3.93310³ mm³
Plastic section modulusZy
4.73610³ mm³
Radius of gyrationry
10.02mm

Torsion and stability

Torsional constantJ
142.810³ mm⁴

Equivalents in other standards