Rectangular and square HSS

HSS 457x457x25

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 = 457.2d = 457.2t = 25.4t = 25.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
457.2mm
Widthb
457.2mm
Thicknesst
25.4mm
Outside corner radiusro
50.8mm

Mass and area

Mass per lengthm
331.3kg/m
Cross-sectional areaA
42,209mm²
Outside perimeterP
1,742mm

Strong axis x–x

Moment of inertiaIx
1,28510⁶ mm⁴
Elastic section modulusSx
5,62110³ mm³
Plastic section modulusZx
6,74010³ mm³
Radius of gyrationrx
174.5mm

Weak axis y–y

Moment of inertiaIy
1,28510⁶ mm⁴
Elastic section modulusSy
5,62110³ mm³
Plastic section modulusZy
6,74010³ mm³
Radius of gyrationry
174.5mm

Torsion and stability

Torsional constantJ
2,106,20010³ mm⁴

Equivalents in other standards