Round HSS

HSS 89x4.8

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.
xyD = 88.9t = 4.78t = 4.78
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
88.9mm
Thicknesst
4.78mm

Mass and area

Mass per lengthm
9.916kg/m
Cross-sectional areaA
1,263mm²
Outside perimeterP
279.3mm

Strong axis x–x

Moment of inertiaIx
1.12110⁶ mm⁴
Elastic section modulusSx
25.2210³ mm³
Plastic section modulusZx
33.8610³ mm³
Radius of gyrationrx
29.79mm

Weak axis y–y

Moment of inertiaIy
1.12110⁶ mm⁴
Elastic section modulusSy
25.2210³ mm³
Plastic section modulusZy
33.8610³ mm³
Radius of gyrationry
29.79mm

Torsion and stability

Torsional constantJ
2,24210³ mm⁴

Equivalents in other standards