Rectangular and square HSS

HSS 178x102x9.5

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 = 177.8t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
177.8mm
Widthb
101.6mm
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
18.2910⁶ mm⁴
Elastic section modulusSx
205.710³ mm³
Plastic section modulusZx
262.410³ mm³
Radius of gyrationrx
62.22mm

Weak axis y–y

Moment of inertiaIy
7.53510⁶ mm⁴
Elastic section modulusSy
148.310³ mm³
Plastic section modulusZy
176.910³ mm³
Radius of gyrationry
39.94mm

Torsion and stability

Torsional constantJ
18,15510³ mm⁴

Equivalents in other standards