Rectangular and square HSS

HSS 356x254x19

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 = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Depthd
355.6mm
Widthb
254mm
Thicknesst
19.05mm
Outside corner radiusro
38.1mm

Mass and area

Mass per lengthm
163.6kg/m
Cross-sectional areaA
20,840mm²
Outside perimeterP
1,154mm

Strong axis x–x

Moment of inertiaIx
347.610⁶ mm⁴
Elastic section modulusSx
1,95510³ mm³
Plastic section modulusZx
2,42610³ mm³
Radius of gyrationrx
129.2mm

Weak axis y–y

Moment of inertiaIy
205.110⁶ mm⁴
Elastic section modulusSy
1,61510³ mm³
Plastic section modulusZy
1,92010³ mm³
Radius of gyrationry
99.21mm

Torsion and stability

Torsional constantJ
430,35710³ mm⁴

Equivalents in other standards