UC – universal columns

250UC89.5

Standard: AS/NZS 3679.1Source: InfraBuild dimensions, Hot Rolled & Structural Steel Products (ed. 9) — calculated properties
Published area (Ag) shown as a check: difference < 1.5% on every section.
xybf = 256d = 260tf = 17.3tf = 17.3tw = 10.5tw = 10.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
260mm
Flange widthbf
256mm
Web thicknesstw
10.5mm
Flange thicknesstf
17.3mm
Root radiusr
14mm

Mass and area

Mass per lengthm
89.43kg/m
Cross-sectional areaA
11,393mm²
Published area (standard)A pub.
11,400mm²
Outside perimeterP
1,499mm

Strong axis x–x

Moment of inertiaIx
142.710⁶ mm⁴
Elastic section modulusSx
1,09810³ mm³
Plastic section modulusZx
1,22710³ mm³
Radius of gyrationrx
111.9mm

Weak axis y–y

Moment of inertiaIy
48.4110⁶ mm⁴
Elastic section modulusSy
378.210³ mm³
Plastic section modulusZy
574.510³ mm³
Radius of gyrationry
65.19mm

Torsion and stability

Torsional constantJ
1,04910³ mm⁴
Warping constantCw
712.410⁹ mm⁶

Equivalents in other standards