Rectangular and square HSS

HSS 356x254x8.0

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 = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
355.6mm
Widthb
254mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
72.74kg/m
Cross-sectional areaA
9,266mm²
Outside perimeterP
1,192mm

Strong axis x–x

Moment of inertiaIx
168.710⁶ mm⁴
Elastic section modulusSx
94910³ mm³
Plastic section modulusZx
1,13110³ mm³
Radius of gyrationrx
134.9mm

Weak axis y–y

Moment of inertiaIy
100.810⁶ mm⁴
Elastic section modulusSy
793.810³ mm³
Plastic section modulusZy
899.510³ mm³
Radius of gyrationry
104.3mm

Torsion and stability

Torsional constantJ
198,78910³ mm⁴

Equivalents in other standards