Rectangular and square HSS

HSS 305x152x13

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 = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
304.8mm
Widthb
152.4mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
82.84kg/m
Cross-sectional areaA
10,552mm²
Outside perimeterP
870.8mm

Strong axis x–x

Moment of inertiaIx
119.410⁶ mm⁴
Elastic section modulusSx
783.810³ mm³
Plastic section modulusZx
998.810³ mm³
Radius of gyrationrx
106.4mm

Weak axis y–y

Moment of inertiaIy
39.9610⁶ mm⁴
Elastic section modulusSy
524.410³ mm³
Plastic section modulusZy
612.510³ mm³
Radius of gyrationry
61.53mm

Torsion and stability

Torsional constantJ
100,82510³ mm⁴

Equivalents in other standards