Round HSS

HSS 245x16

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 = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
244.6mm
Thicknesst
15.88mm

Mass and area

Mass per lengthm
89.57kg/m
Cross-sectional areaA
11,411mm²
Outside perimeterP
768.4mm

Strong axis x–x

Moment of inertiaIx
74.9710⁶ mm⁴
Elastic section modulusSx
61310³ mm³
Plastic section modulusZx
832.110³ mm³
Radius of gyrationrx
81.06mm

Weak axis y–y

Moment of inertiaIy
74.9710⁶ mm⁴
Elastic section modulusSy
61310³ mm³
Plastic section modulusZy
832.110³ mm³
Radius of gyrationry
81.06mm

Torsion and stability

Torsional constantJ
149,94810³ mm⁴

Equivalents in other standards