Rectangular and square HSS

HSS 229x76x6.4

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 = 76.2d = 228.6t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
228.6mm
Widthb
76.2mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
28.31kg/m
Cross-sectional areaA
3,606mm²
Outside perimeterP
587.8mm

Strong axis x–x

Moment of inertiaIx
21.2810⁶ mm⁴
Elastic section modulusSx
186.110³ mm³
Plastic section modulusZx
243.810³ mm³
Radius of gyrationrx
76.82mm

Weak axis y–y

Moment of inertiaIy
3.68110⁶ mm⁴
Elastic section modulusSy
96.6110³ mm³
Plastic section modulusZy
110.410³ mm³
Radius of gyrationry
31.95mm

Torsion and stability

Torsional constantJ
10,72110³ mm⁴

Equivalents in other standards