Rectangular and square HSS

HSS 51x51x3.2

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 = 50.8d = 50.8t = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Depthd
50.8mm
Widthb
50.8mm
Thicknesst
3.17mm
Outside corner radiusro
6.35mm

Mass and area

Mass per lengthm
4.537kg/m
Cross-sectional areaA
578mm²
Outside perimeterP
192.3mm

Strong axis x–x

Moment of inertiaIx
0.213410⁶ mm⁴
Elastic section modulusSx
8.40210³ mm³
Plastic section modulusZx
10.1610³ mm³
Radius of gyrationrx
19.22mm

Weak axis y–y

Moment of inertiaIy
0.213410⁶ mm⁴
Elastic section modulusSy
8.40210³ mm³
Plastic section modulusZy
10.1610³ mm³
Radius of gyrationry
19.22mm

Torsion and stability

Torsional constantJ
353.710³ mm⁴

Equivalents in other standards