Rectangular and square HSS

HSS 254x203x16

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 = 203.2d = 254t = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Widthb
203.2mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
101kg/m
Cross-sectional areaA
12,863mm²
Outside perimeterP
859.9mm

Strong axis x–x

Moment of inertiaIx
110.710⁶ mm⁴
Elastic section modulusSx
871.710³ mm³
Plastic section modulusZx
1,08010³ mm³
Radius of gyrationrx
92.77mm

Weak axis y–y

Moment of inertiaIy
77.9810⁶ mm⁴
Elastic section modulusSy
767.510³ mm³
Plastic section modulusZy
924.910³ mm³
Radius of gyrationry
77.86mm

Torsion and stability

Torsional constantJ
153,71710³ mm⁴

Equivalents in other standards