Rectangular and square HSS

HSS 203x203x8.0

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

Dimensions

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

Mass and area

Mass per lengthm
47.41kg/m
Cross-sectional areaA
6,039mm²
Outside perimeterP
785.5mm

Strong axis x–x

Moment of inertiaIx
37.8510⁶ mm⁴
Elastic section modulusSx
372.510³ mm³
Plastic section modulusZx
438.110³ mm³
Radius of gyrationrx
79.16mm

Weak axis y–y

Moment of inertiaIy
37.8510⁶ mm⁴
Elastic section modulusSy
372.510³ mm³
Plastic section modulusZy
438.110³ mm³
Radius of gyrationry
79.16mm

Torsion and stability

Torsional constantJ
60,43910³ mm⁴

Equivalents in other standards