Rectangular and square HSS

HSS 127x102x13

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 = 101.6d = 127t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
127mm
Widthb
101.6mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
37.26kg/m
Cross-sectional areaA
4,746mm²
Outside perimeterP
413.6mm

Strong axis x–x

Moment of inertiaIx
9.13810⁶ mm⁴
Elastic section modulusSx
143.910³ mm³
Plastic section modulusZx
187.610³ mm³
Radius of gyrationrx
43.88mm

Weak axis y–y

Moment of inertiaIy
6.38610⁶ mm⁴
Elastic section modulusSy
125.710³ mm³
Plastic section modulusZy
160.110³ mm³
Radius of gyrationry
36.68mm

Torsion and stability

Torsional constantJ
13,44410³ mm⁴

Equivalents in other standards