Rectangular and square HSS

HSS 127x51x3.2

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 = 50.8d = 127t = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Depthd
127mm
Widthb
50.8mm
Thicknesst
3.17mm
Outside corner radiusro
6.35mm

Mass and area

Mass per lengthm
8.329kg/m
Cross-sectional areaA
1,061mm²
Outside perimeterP
344.7mm

Strong axis x–x

Moment of inertiaIx
2.0610⁶ mm⁴
Elastic section modulusSx
32.4410³ mm³
Plastic section modulusZx
41.3810³ mm³
Radius of gyrationrx
44.06mm

Weak axis y–y

Moment of inertiaIy
0.487810⁶ mm⁴
Elastic section modulusSy
19.2110³ mm³
Plastic section modulusZy
21.6610³ mm³
Radius of gyrationry
21.44mm

Torsion and stability

Torsional constantJ
1,31310³ mm⁴

Equivalents in other standards