Rectangular and square HSS

HSS 178x102x3.2

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 = 101.6d = 177.8t = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Depthd
177.8mm
Widthb
101.6mm
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
7.37210⁶ mm⁴
Elastic section modulusSx
82.9210³ mm³
Plastic section modulusZx
100.510³ mm³
Radius of gyrationrx
65.75mm

Weak axis y–y

Moment of inertiaIy
3.12310⁶ mm⁴
Elastic section modulusSy
61.4710³ mm³
Plastic section modulusZy
68.5610³ mm³
Radius of gyrationry
42.79mm

Torsion and stability

Torsional constantJ
6,95410³ mm⁴

Equivalents in other standards