Rectangular and square HSS

HSS 457x254x6.4

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 = 457.2t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
457.2mm
Widthb
254mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
68.82kg/m
Cross-sectional areaA
8,767mm²
Outside perimeterP
1,401mm

Strong axis x–x

Moment of inertiaIx
251.510⁶ mm⁴
Elastic section modulusSx
1,10010³ mm³
Plastic section modulusZx
1,33110³ mm³
Radius of gyrationrx
169.4mm

Weak axis y–y

Moment of inertiaIy
102.310⁶ mm⁴
Elastic section modulusSy
805.310³ mm³
Plastic section modulusZy
890.810³ mm³
Radius of gyrationry
108mm

Torsion and stability

Torsional constantJ
229,14410³ mm⁴

Equivalents in other standards