Round HSS

HSS 340x6.4

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.
xyD = 340.4t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
340.4mm
Thicknesst
6.35mm

Mass and area

Mass per lengthm
52.31kg/m
Cross-sectional areaA
6,664mm²
Outside perimeterP
1,069mm

Strong axis x–x

Moment of inertiaIx
92.9910⁶ mm⁴
Elastic section modulusSx
546.310³ mm³
Plastic section modulusZx
708.710³ mm³
Radius of gyrationrx
118.1mm

Weak axis y–y

Moment of inertiaIy
92.9910⁶ mm⁴
Elastic section modulusSy
546.310³ mm³
Plastic section modulusZy
708.710³ mm³
Radius of gyrationry
118.1mm

Torsion and stability

Torsional constantJ
185,97510³ mm⁴

Equivalents in other standards