Rectangular and square HSS

HSS 203x76x3.2

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 = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Widthb
76.2mm
Thicknesst
3.17mm
Outside corner radiusro
6.35mm

Mass and area

Mass per lengthm
13.39kg/m
Cross-sectional areaA
1,705mm²
Outside perimeterP
547.9mm

Strong axis x–x

Moment of inertiaIx
8.59910⁶ mm⁴
Elastic section modulusSx
84.6310³ mm³
Plastic section modulusZx
107.110³ mm³
Radius of gyrationrx
71.01mm

Weak axis y–y

Moment of inertiaIy
1.86210⁶ mm⁴
Elastic section modulusSy
48.8810³ mm³
Plastic section modulusZy
53.810³ mm³
Radius of gyrationry
33.05mm

Torsion and stability

Torsional constantJ
5,02210³ mm⁴

Equivalents in other standards