Rectangular and square HSS

HSS 127x127x3.2

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.

Cross-section, to scaledimensions in mm

Dimensions

Depthd: 127mm
Widthb: 127mm
Thicknesst: 3.17mm
Outside corner radiusro: 6.35mm

Mass and area

Mass per lengthm: 12.12kg/m
Cross-sectional areaA: 1,544mm²
Outside perimeterP: 497.1mm

Strong axis x–x

Moment of inertiaIx: 3.91310⁶ mm⁴
Elastic section modulusSx: 61.6210³ mm³
Plastic section modulusZx: 71.2910³ mm³
Radius of gyrationrx: 50.34mm

Weak axis y–y

Moment of inertiaIy: 3.91310⁶ mm⁴
Elastic section modulusSy: 61.6210³ mm³
Plastic section modulusZy: 71.2910³ mm³
Radius of gyrationry: 50.34mm

Torsion and stability

Torsional constantJ: 6,11010³ mm⁴