Round HSS

HSS 274x6.4

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 = 274.3t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
274.3mm
Thicknesst
6.35mm

Mass and area

Mass per lengthm
41.96kg/m
Cross-sectional areaA
5,345mm²
Outside perimeterP
861.7mm

Strong axis x–x

Moment of inertiaIx
4810⁶ mm⁴
Elastic section modulusSx
35010³ mm³
Plastic section modulusZx
45610³ mm³
Radius of gyrationrx
94.76mm

Weak axis y–y

Moment of inertiaIy
4810⁶ mm⁴
Elastic section modulusSy
35010³ mm³
Plastic section modulusZy
45610³ mm³
Radius of gyrationry
94.76mm

Torsion and stability

Torsional constantJ
95,99910³ mm⁴

Equivalents in other standards