Rectangular and square HSS

HSS 229x127x4.8

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 = 127d = 228.6t = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
228.6mm
Widthb
127mm
Thicknesst
4.76mm
Outside corner radiusro
9.52mm

Mass and area

Mass per lengthm
25.41kg/m
Cross-sectional areaA
3,236mm²
Outside perimeterP
694.9mm

Strong axis x–x

Moment of inertiaIx
22.7410⁶ mm⁴
Elastic section modulusSx
198.910³ mm³
Plastic section modulusZx
242.910³ mm³
Radius of gyrationrx
83.82mm

Weak axis y–y

Moment of inertiaIy
9.19210⁶ mm⁴
Elastic section modulusSy
144.810³ mm³
Plastic section modulusZy
162.210³ mm³
Radius of gyrationry
53.29mm

Torsion and stability

Torsional constantJ
20,92410³ mm⁴

Equivalents in other standards