Rectangular and square HSS

HSS 305x152x16

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

Dimensions

Depthd
304.8mm
Widthb
152.4mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
101kg/m
Cross-sectional areaA
12,863mm²
Outside perimeterP
859.9mm

Strong axis x–x

Moment of inertiaIx
140.510⁶ mm⁴
Elastic section modulusSx
92210³ mm³
Plastic section modulusZx
1,19410³ mm³
Radius of gyrationrx
104.5mm

Weak axis y–y

Moment of inertiaIy
46.4910⁶ mm⁴
Elastic section modulusSy
610.110³ mm³
Plastic section modulusZy
728.810³ mm³
Radius of gyrationry
60.12mm

Torsion and stability

Torsional constantJ
120,09310³ mm⁴

Equivalents in other standards