Rectangular and square HSS

HSS 76x64x3.2

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 = 63.5d = 76.2t = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Depthd
76.2mm
Widthb
63.5mm
Thicknesst
3.17mm
Outside corner radiusro
6.35mm

Mass and area

Mass per lengthm
6.433kg/m
Cross-sectional areaA
819.5mm²
Outside perimeterP
268.5mm

Strong axis x–x

Moment of inertiaIx
0.680710⁶ mm⁴
Elastic section modulusSx
17.8710³ mm³
Plastic section modulusZx
21.4610³ mm³
Radius of gyrationrx
28.82mm

Weak axis y–y

Moment of inertiaIy
0.513510⁶ mm⁴
Elastic section modulusSy
16.1710³ mm³
Plastic section modulusZy
18.9410³ mm³
Radius of gyrationry
25.03mm

Torsion and stability

Torsional constantJ
946.410³ mm⁴

Equivalents in other standards