Rectangular and square HSS

HSS 178x127x3.2

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 = 127d = 177.8t = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Depthd
177.8mm
Widthb
127mm
Thicknesst
3.17mm
Outside corner radiusro
6.35mm

Mass and area

Mass per lengthm
14.65kg/m
Cross-sectional areaA
1,866mm²
Outside perimeterP
598.7mm

Strong axis x–x

Moment of inertiaIx
8.610⁶ mm⁴
Elastic section modulusSx
96.7410³ mm³
Plastic section modulusZx
114.610³ mm³
Radius of gyrationrx
67.88mm

Weak axis y–y

Moment of inertiaIy
5.14810⁶ mm⁴
Elastic section modulusSy
81.0610³ mm³
Plastic section modulusZy
91.2410³ mm³
Radius of gyrationry
52.52mm

Torsion and stability

Torsional constantJ
10,05910³ mm⁴

Equivalents in other standards