Rectangular and square HSS

HSS 254x127x9.5

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 = 127d = 254t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Widthb
127mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
52.27kg/m
Cross-sectional areaA
6,658mm²
Outside perimeterP
729.3mm

Strong axis x–x

Moment of inertiaIx
53.0710⁶ mm⁴
Elastic section modulusSx
417.910³ mm³
Plastic section modulusZx
529.110³ mm³
Radius of gyrationrx
89.28mm

Weak axis y–y

Moment of inertiaIy
17.8310⁶ mm⁴
Elastic section modulusSy
280.810³ mm³
Plastic section modulusZy
325.110³ mm³
Radius of gyrationry
51.75mm

Torsion and stability

Torsional constantJ
44,57010³ mm⁴

Equivalents in other standards