Round HSS

HSS 245x9.5

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 = 244.6t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
244.6mm
Thicknesst
9.52mm

Mass and area

Mass per lengthm
55.19kg/m
Cross-sectional areaA
7,031mm²
Outside perimeterP
768.4mm

Strong axis x–x

Moment of inertiaIx
48.6510⁶ mm⁴
Elastic section modulusSx
397.810³ mm³
Plastic section modulusZx
526.410³ mm³
Radius of gyrationrx
83.18mm

Weak axis y–y

Moment of inertiaIy
48.6510⁶ mm⁴
Elastic section modulusSy
397.810³ mm³
Plastic section modulusZy
526.410³ mm³
Radius of gyrationry
83.18mm

Torsion and stability

Torsional constantJ
97,29410³ mm⁴

Equivalents in other standards