Rectangular and square HSS

HSS 305x102x16

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 = 304.8t = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
304.8mm
Widthb
101.6mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
88.31kg/m
Cross-sectional areaA
11,250mm²
Outside perimeterP
758.3mm

Strong axis x–x

Moment of inertiaIx
106.810⁶ mm⁴
Elastic section modulusSx
700.810³ mm³
Plastic section modulusZx
961.110³ mm³
Radius of gyrationrx
97.44mm

Weak axis y–y

Moment of inertiaIy
17.4210⁶ mm⁴
Elastic section modulusSy
342.910³ mm³
Plastic section modulusZy
422.610³ mm³
Radius of gyrationry
39.35mm

Torsion and stability

Torsional constantJ
53,80410³ mm⁴

Equivalents in other standards