Rectangular and square HSS

HSS 102x38x3.2

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 = 38.1d = 101.6t = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Depthd
101.6mm
Widthb
38.1mm
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
0.976510⁶ mm⁴
Elastic section modulusSx
19.2210³ mm³
Plastic section modulusZx
24.9710³ mm³
Radius of gyrationrx
34.52mm

Weak axis y–y

Moment of inertiaIy
0.205110⁶ mm⁴
Elastic section modulusSy
10.7710³ mm³
Plastic section modulusZy
12.3710³ mm³
Radius of gyrationry
15.82mm

Torsion and stability

Torsional constantJ
575.910³ mm⁴

Equivalents in other standards