Rectangular and square HSS

HSS 127x102x8.0

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 = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
127mm
Widthb
101.6mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
25.24kg/m
Cross-sectional areaA
3,216mm²
Outside perimeterP
429.9mm

Strong axis x–x

Moment of inertiaIx
6.91910⁶ mm⁴
Elastic section modulusSx
10910³ mm³
Plastic section modulusZx
13510³ mm³
Radius of gyrationrx
46.38mm

Weak axis y–y

Moment of inertiaIy
4.87310⁶ mm⁴
Elastic section modulusSy
95.9310³ mm³
Plastic section modulusZy
115.610³ mm³
Radius of gyrationry
38.93mm

Torsion and stability

Torsional constantJ
9,60710³ mm⁴

Equivalents in other standards