Rectangular and square HSS

HSS 254x203x9.5

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 = 203.2d = 254t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Widthb
203.2mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
63.65kg/m
Cross-sectional areaA
8,109mm²
Outside perimeterP
881.7mm

Strong axis x–x

Moment of inertiaIx
74.7610⁶ mm⁴
Elastic section modulusSx
588.710³ mm³
Plastic section modulusZx
706.510³ mm³
Radius of gyrationrx
96.02mm

Weak axis y–y

Moment of inertiaIy
52.9710⁶ mm⁴
Elastic section modulusSy
521.410³ mm³
Plastic section modulusZy
606.410³ mm³
Radius of gyrationry
80.83mm

Torsion and stability

Torsional constantJ
99,73910³ mm⁴

Equivalents in other standards