Rectangular and square HSS

HSS 178x76x9.5

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 = 76.2d = 177.8t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
177.8mm
Widthb
76.2mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
33.28kg/m
Cross-sectional areaA
4,240mm²
Outside perimeterP
475.3mm

Strong axis x–x

Moment of inertiaIx
14.8610⁶ mm⁴
Elastic section modulusSx
167.210³ mm³
Plastic section modulusZx
221.710³ mm³
Radius of gyrationrx
59.2mm

Weak axis y–y

Moment of inertiaIy
3.77910⁶ mm⁴
Elastic section modulusSy
99.1810³ mm³
Plastic section modulusZy
119.910³ mm³
Radius of gyrationry
29.85mm

Torsion and stability

Torsional constantJ
10,56010³ mm⁴

Equivalents in other standards