Rectangular and square HSS

HSS 406x254x16

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 = 406.4t = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
406.4mm
Widthb
254mm
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
420.910⁶ mm⁴
Elastic section modulusSx
2,07110³ mm³
Plastic section modulusZx
2,56010³ mm³
Radius of gyrationrx
147.6mm

Weak axis y–y

Moment of inertiaIy
202.310⁶ mm⁴
Elastic section modulusSy
1,59310³ mm³
Plastic section modulusZy
1,84810³ mm³
Radius of gyrationry
102.3mm

Torsion and stability

Torsional constantJ
448,46710³ mm⁴

Equivalents in other standards