Rectangular and square HSS

HSS 457x254x13

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 = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
457.2mm
Widthb
254mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
133.5kg/m
Cross-sectional areaA
17,004mm²
Outside perimeterP
1,379mm

Strong axis x–x

Moment of inertiaIx
467.910⁶ mm⁴
Elastic section modulusSx
2,04710³ mm³
Plastic section modulusZx
2,52410³ mm³
Radius of gyrationrx
165.9mm

Weak axis y–y

Moment of inertiaIy
18810⁶ mm⁴
Elastic section modulusSy
1,48110³ mm³
Plastic section modulusZy
1,68110³ mm³
Radius of gyrationry
105.2mm

Torsion and stability

Torsional constantJ
434,87410³ mm⁴

Equivalents in other standards