Rectangular and square HSS

HSS 64x51x4.8

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 = 50.8d = 63.5t = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
63.5mm
Widthb
50.8mm
Thicknesst
4.76mm
Outside corner radiusro
9.52mm

Mass and area

Mass per lengthm
7.372kg/m
Cross-sectional areaA
939.2mm²
Outside perimeterP
212.3mm

Strong axis x–x

Moment of inertiaIx
0.487410⁶ mm⁴
Elastic section modulusSx
15.3510³ mm³
Plastic section modulusZx
19.3410³ mm³
Radius of gyrationrx
22.78mm

Weak axis y–y

Moment of inertiaIy
0.342410⁶ mm⁴
Elastic section modulusSy
13.4810³ mm³
Plastic section modulusZy
16.5410³ mm³
Radius of gyrationry
19.09mm

Torsion and stability

Torsional constantJ
690.210³ mm⁴

Equivalents in other standards