WT – tees

WT180x173.5

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 = 404d = 204tf = 43.7tf = 43.7tw = 27.2tw = 27.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
204mm
Flange widthbf
404mm
Web thicknesstw
27.2mm
Flange thicknesstf
43.7mm
Distance k (design)kdes
58.9mm
Distance k (detailing)kdet
76.2mm

Mass and area

Mass per lengthm
174kg/m
Cross-sectional areaA
22,100mm²

Strong axis x–x

Moment of inertiaIx
48.310⁶ mm⁴
Elastic section modulusSx
29810³ mm³
Plastic section modulusZx
62610³ mm³
Radius of gyrationrx
46.7mm

Weak axis y–y

Moment of inertiaIy
24010⁶ mm⁴
Elastic section modulusSy
1,19010³ mm³
Plastic section modulusZy
1,80010³ mm³
Radius of gyrationry
104mm

Torsion and stability

Torsional constantJ
12,30010³ mm⁴
Warping constantCw
41.410⁹ mm⁶
Polar radius (shear center)r̄o
116mm
Flexural constantH
0.97

Centers

Centroidȳ
41.9mm
Plastic neutral axisyp
27.4mm

Slenderness ratios

Flange slendernessbf/2tf
4.62
Wall slendernessD/t
7.5

Equivalents in other standards