Rectangular and square HSS

HSS 203x102x9.5

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 = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Widthb
101.6mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
40.88kg/m
Cross-sectional areaA
5,207mm²
Outside perimeterP
576.9mm

Strong axis x–x

Moment of inertiaIx
25.7410⁶ mm⁴
Elastic section modulusSx
253.310³ mm³
Plastic section modulusZx
325.410³ mm³
Radius of gyrationrx
70.31mm

Weak axis y–y

Moment of inertiaIy
8.56410⁶ mm⁴
Elastic section modulusSy
168.610³ mm³
Plastic section modulusZy
199.110³ mm³
Radius of gyrationry
40.55mm

Torsion and stability

Torsional constantJ
21,86610³ mm⁴

Equivalents in other standards