WT – tees

WT180x50.5

Standard: ASTM A6/A6M (désignations métriques)Source: SI values from the AISC v16.0 database (ASTM A6 shapes common to Canada)
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
xybf = 254d = 178tf = 18.3tf = 18.3tw = 10.5tw = 10.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
178mm
Flange widthbf
254mm
Web thicknesstw
10.5mm
Flange thicknesstf
18.3mm
Distance k (design)kdes
33.3mm
Distance k (detailing)kdet
39.7mm

Mass and area

Mass per lengthm
50.5kg/m
Cross-sectional areaA
6,450mm²

Strong axis x–x

Moment of inertiaIx
13.610⁶ mm⁴
Elastic section modulusSx
93.210³ mm³
Plastic section modulusZx
17010³ mm³
Radius of gyrationrx
46mm

Weak axis y–y

Moment of inertiaIy
25.310⁶ mm⁴
Elastic section modulusSy
19810³ mm³
Plastic section modulusZy
30210³ mm³
Radius of gyrationry
62.5mm

Torsion and stability

Torsional constantJ
62410³ mm⁴
Warping constantCw
0.86210⁹ mm⁶
Polar radius (shear center)r̄o
81mm
Flexural constantH
0.916

Centers

Centroidȳ
32.8mm
Plastic neutral axisyp
12.6mm

Slenderness ratios

Flange slendernessbf/2tf
6.97
Wall slendernessD/t
16.9

Equivalents in other standards