Rectangular and square HSS

HSS 254x51x4.8

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 = 254t = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Widthb
50.8mm
Thicknesst
4.76mm
Outside corner radiusro
9.52mm

Mass and area

Mass per lengthm
21.61kg/m
Cross-sectional areaA
2,753mm²
Outside perimeterP
593.3mm

Strong axis x–x

Moment of inertiaIx
18.1810⁶ mm⁴
Elastic section modulusSx
143.110³ mm³
Plastic section modulusZx
195.210³ mm³
Radius of gyrationrx
81.26mm

Weak axis y–y

Moment of inertiaIy
1.30710⁶ mm⁴
Elastic section modulusSy
51.4510³ mm³
Plastic section modulusZy
58.2910³ mm³
Radius of gyrationry
21.79mm

Torsion and stability

Torsional constantJ
4,32310³ mm⁴

Equivalents in other standards