Rectangular and square HSS

HSS 356x305x16

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 = 304.8d = 355.6t = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
355.6mm
Widthb
304.8mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
151.6kg/m
Cross-sectional areaA
19,317mm²
Outside perimeterP
1,266mm

Strong axis x–x

Moment of inertiaIx
349.610⁶ mm⁴
Elastic section modulusSx
1,96610³ mm³
Plastic section modulusZx
2,36410³ mm³
Radius of gyrationrx
134.5mm

Weak axis y–y

Moment of inertiaIy
275.310⁶ mm⁴
Elastic section modulusSy
1,80710³ mm³
Plastic section modulusZy
2,12610³ mm³
Radius of gyrationry
119.4mm

Torsion and stability

Torsional constantJ
499,72110³ mm⁴

Equivalents in other standards