Rectangular and square HSS

HSS 610x356x6.4

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.
xyb = 355.6d = 609.6t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
609.6mm
Widthb
355.6mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
94.14kg/m
Cross-sectional areaA
11,993mm²
Outside perimeterP
1,909mm

Strong axis x–x

Moment of inertiaIx
626.410⁶ mm⁴
Elastic section modulusSx
2,05510³ mm³
Plastic section modulusZx
2,46210³ mm³
Radius of gyrationrx
228.5mm

Weak axis y–y

Moment of inertiaIy
275.510⁶ mm⁴
Elastic section modulusSy
1,55010³ mm³
Plastic section modulusZy
1,70710³ mm³
Radius of gyrationry
151.6mm

Torsion and stability

Torsional constantJ
596,68710³ mm⁴

Equivalents in other standards