Rectangular and square HSS

HSS 610x203x6.4

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 = 203.2d = 609.6t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
609.6mm
Widthb
203.2mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
78.95kg/m
Cross-sectional areaA
10,057mm²
Outside perimeterP
1,604mm

Strong axis x–x

Moment of inertiaIx
450.310⁶ mm⁴
Elastic section modulusSx
1,47710³ mm³
Plastic section modulusZx
1,87810³ mm³
Radius of gyrationrx
211.6mm

Weak axis y–y

Moment of inertiaIy
81.310⁶ mm⁴
Elastic section modulusSy
800.210³ mm³
Plastic section modulusZy
866.810³ mm³
Radius of gyrationry
89.91mm

Torsion and stability

Torsional constantJ
225,98310³ mm⁴

Equivalents in other standards