Rectangular and square HSS

HSS 305x152x4.8

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 = 152.4d = 304.8t = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
304.8mm
Widthb
152.4mm
Thicknesst
4.76mm
Outside corner radiusro
9.52mm

Mass and area

Mass per lengthm
33kg/m
Cross-sectional areaA
4,204mm²
Outside perimeterP
898.1mm

Strong axis x–x

Moment of inertiaIx
51.7410⁶ mm⁴
Elastic section modulusSx
339.510³ mm³
Plastic section modulusZx
416.310³ mm³
Radius of gyrationrx
110.9mm

Weak axis y–y

Moment of inertiaIy
17.810⁶ mm⁴
Elastic section modulusSy
233.610³ mm³
Plastic section modulusZy
258.410³ mm³
Radius of gyrationry
65.08mm

Torsion and stability

Torsional constantJ
42,25610³ mm⁴

Equivalents in other standards