Rectangular and square HSS

HSS 127x127x4.8

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 = 127d = 127t = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
127mm
Widthb
127mm
Thicknesst
4.76mm
Outside corner radiusro
9.52mm

Mass and area

Mass per lengthm
17.81kg/m
Cross-sectional areaA
2,269mm²
Outside perimeterP
491.7mm

Strong axis x–x

Moment of inertiaIx
5.57710⁶ mm⁴
Elastic section modulusSx
87.8210³ mm³
Plastic section modulusZx
103.110³ mm³
Radius of gyrationrx
49.57mm

Weak axis y–y

Moment of inertiaIy
5.57710⁶ mm⁴
Elastic section modulusSy
87.8210³ mm³
Plastic section modulusZy
103.110³ mm³
Radius of gyrationry
49.57mm

Torsion and stability

Torsional constantJ
8,88310³ mm⁴

Equivalents in other standards