Rectangular and square HSS

HSS 89x51x6.4

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 = 88.9t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
88.9mm
Widthb
50.8mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
11.85kg/m
Cross-sectional areaA
1,509mm²
Outside perimeterP
257.6mm

Strong axis x–x

Moment of inertiaIx
1.37610⁶ mm⁴
Elastic section modulusSx
30.9510³ mm³
Plastic section modulusZx
40.5710³ mm³
Radius of gyrationrx
30.19mm

Weak axis y–y

Moment of inertiaIy
0.559610⁶ mm⁴
Elastic section modulusSy
22.0310³ mm³
Plastic section modulusZy
27.1910³ mm³
Radius of gyrationry
19.26mm

Torsion and stability

Torsional constantJ
1,39910³ mm⁴

Equivalents in other standards