Rectangular and square HSS

HSS 356x254x13

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 = 254d = 355.6t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
355.6mm
Widthb
254mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
113.2kg/m
Cross-sectional areaA
14,423mm²
Outside perimeterP
1,176mm

Strong axis x–x

Moment of inertiaIx
253.210⁶ mm⁴
Elastic section modulusSx
1,42410³ mm³
Plastic section modulusZx
1,72610³ mm³
Radius of gyrationrx
132.5mm

Weak axis y–y

Moment of inertiaIy
150.410⁶ mm⁴
Elastic section modulusSy
1,18510³ mm³
Plastic section modulusZy
1,37010³ mm³
Radius of gyrationry
102.1mm

Torsion and stability

Torsional constantJ
304,70710³ mm⁴

Equivalents in other standards