Rectangular and square HSS

HSS 127x51x9.5

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 = 50.8d = 127t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
127mm
Widthb
50.8mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
21.89kg/m
Cross-sectional areaA
2,789mm²
Outside perimeterP
322.9mm

Strong axis x–x

Moment of inertiaIx
4.45310⁶ mm⁴
Elastic section modulusSx
70.1310³ mm³
Plastic section modulusZx
97.8710³ mm³
Radius of gyrationrx
39.96mm

Weak axis y–y

Moment of inertiaIy
0.970910⁶ mm⁴
Elastic section modulusSy
38.2310³ mm³
Plastic section modulusZy
49.1910³ mm³
Radius of gyrationry
18.66mm

Torsion and stability

Torsional constantJ
2,92410³ mm⁴

Equivalents in other standards