Rectangular and square HSS

HSS 178x102x13

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 = 101.6d = 177.8t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
177.8mm
Widthb
101.6mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
47.38kg/m
Cross-sectional areaA
6,036mm²
Outside perimeterP
515.2mm

Strong axis x–x

Moment of inertiaIx
22.0110⁶ mm⁴
Elastic section modulusSx
247.610³ mm³
Plastic section modulusZx
324.610³ mm³
Radius of gyrationrx
60.38mm

Weak axis y–y

Moment of inertiaIy
8.95310⁶ mm⁴
Elastic section modulusSy
176.210³ mm³
Plastic section modulusZy
217.510³ mm³
Radius of gyrationry
38.51mm

Torsion and stability

Torsional constantJ
22,38310³ mm⁴

Equivalents in other standards