Rectangular and square HSS

HSS 76x38x3.2

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

Dimensions

Depthd
76.2mm
Widthb
38.1mm
Thicknesst
3.17mm
Outside corner radiusro
6.35mm

Mass and area

Mass per lengthm
5.169kg/m
Cross-sectional areaA
658.5mm²
Outside perimeterP
217.7mm

Strong axis x–x

Moment of inertiaIx
0.465910⁶ mm⁴
Elastic section modulusSx
12.2310³ mm³
Plastic section modulusZx
15.5810³ mm³
Radius of gyrationrx
26.6mm

Weak axis y–y

Moment of inertiaIy
0.155910⁶ mm⁴
Elastic section modulusSy
8.18210³ mm³
Plastic section modulusZy
9.55710³ mm³
Radius of gyrationry
15.39mm

Torsion and stability

Torsional constantJ
393.310³ mm⁴

Equivalents in other standards