Rectangular and square HSS

HSS 356x203x16

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 = 355.6t = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
355.6mm
Widthb
203.2mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
126.3kg/m
Cross-sectional areaA
16,090mm²
Outside perimeterP
1,063mm

Strong axis x–x

Moment of inertiaIx
256.410⁶ mm⁴
Elastic section modulusSx
1,44210³ mm³
Plastic section modulusZx
1,81510³ mm³
Radius of gyrationrx
126.2mm

Weak axis y–y

Moment of inertiaIy
106.410⁶ mm⁴
Elastic section modulusSy
1,04710³ mm³
Plastic section modulusZy
1,22710³ mm³
Radius of gyrationry
81.3mm

Torsion and stability

Torsional constantJ
251,36310³ mm⁴

Equivalents in other standards