Rectangular and square HSS

HSS 203x76x9.5

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 = 76.2d = 203.2t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Widthb
76.2mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
37.08kg/m
Cross-sectional areaA
4,724mm²
Outside perimeterP
526.1mm

Strong axis x–x

Moment of inertiaIx
21.210⁶ mm⁴
Elastic section modulusSx
208.710³ mm³
Plastic section modulusZx
278.610³ mm³
Radius of gyrationrx
67mm

Weak axis y–y

Moment of inertiaIy
4.3210⁶ mm⁴
Elastic section modulusSy
113.410³ mm³
Plastic section modulusZy
136.110³ mm³
Radius of gyrationry
30.24mm

Torsion and stability

Torsional constantJ
12,59810³ mm⁴

Equivalents in other standards