Rectangular and square HSS

HSS 203x102x6.4

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 = 101.6d = 203.2t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Widthb
101.6mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
28.31kg/m
Cross-sectional areaA
3,606mm²
Outside perimeterP
587.8mm

Strong axis x–x

Moment of inertiaIx
18.7710⁶ mm⁴
Elastic section modulusSx
184.810³ mm³
Plastic section modulusZx
231.810³ mm³
Radius of gyrationrx
72.16mm

Weak axis y–y

Moment of inertiaIy
6.3510⁶ mm⁴
Elastic section modulusSy
12510³ mm³
Plastic section modulusZy
142.810³ mm³
Radius of gyrationry
41.97mm

Torsion and stability

Torsional constantJ
15,64410³ mm⁴

Equivalents in other standards