Rectangular and square HSS

HSS 356x254x16

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

Dimensions

Depthd
355.6mm
Widthb
254mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
139kg/m
Cross-sectional areaA
17,703mm²
Outside perimeterP
1,165mm

Strong axis x–x

Moment of inertiaIx
30310⁶ mm⁴
Elastic section modulusSx
1,70410³ mm³
Plastic section modulusZx
2,09010³ mm³
Radius of gyrationrx
130.8mm

Weak axis y–y

Moment of inertiaIy
179.410⁶ mm⁴
Elastic section modulusSy
1,41310³ mm³
Plastic section modulusZy
1,65610³ mm³
Radius of gyrationry
100.7mm

Torsion and stability

Torsional constantJ
369,87710³ mm⁴

Equivalents in other standards