Rectangular and square HSS

HSS 203x51x8.0

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 = 50.8d = 203.2t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Widthb
50.8mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
28.41kg/m
Cross-sectional areaA
3,619mm²
Outside perimeterP
480.7mm

Strong axis x–x

Moment of inertiaIx
14.7710⁶ mm⁴
Elastic section modulusSx
145.310³ mm³
Plastic section modulusZx
201.810³ mm³
Radius of gyrationrx
63.87mm

Weak axis y–y

Moment of inertiaIy
1.46310⁶ mm⁴
Elastic section modulusSy
57.6110³ mm³
Plastic section modulusZy
70.1110³ mm³
Radius of gyrationry
20.11mm

Torsion and stability

Torsional constantJ
4,81510³ mm⁴

Equivalents in other standards