Rectangular and square HSS

HSS 229x178x13

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 = 177.8d = 228.6t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
228.6mm
Widthb
177.8mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
72.71kg/m
Cross-sectional areaA
9,262mm²
Outside perimeterP
769.2mm

Strong axis x–x

Moment of inertiaIx
65.2510⁶ mm⁴
Elastic section modulusSx
570.910³ mm³
Plastic section modulusZx
703.210³ mm³
Radius of gyrationrx
83.93mm

Weak axis y–y

Moment of inertiaIy
44.0410⁶ mm⁴
Elastic section modulusSy
495.310³ mm³
Plastic section modulusZy
590.910³ mm³
Radius of gyrationry
68.95mm

Torsion and stability

Torsional constantJ
87,46110³ mm⁴

Equivalents in other standards