WT – tees

WT180x19.5

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 = 128d = 177tf = 10.7tf = 10.7tw = 6.48tw = 6.48
Cross-section, to scaledimensions in mm

Dimensions

Depthd
177mm
Flange widthbf
128mm
Web thicknesstw
6.48mm
Flange thicknesstf
10.7mm
Distance k (design)kdes
20.8mm
Distance k (detailing)kdet
28.6mm

Mass and area

Mass per lengthm
19.5kg/m
Cross-sectional areaA
2,480mm²

Strong axis x–x

Moment of inertiaIx
7.210⁶ mm⁴
Elastic section modulusSx
54.210³ mm³
Plastic section modulusZx
96.510³ mm³
Radius of gyrationrx
53.8mm

Weak axis y–y

Moment of inertiaIy
1.8510⁶ mm⁴
Elastic section modulusSy
2910³ mm³
Plastic section modulusZy
45.210³ mm³
Radius of gyrationry
27.4mm

Torsion and stability

Torsional constantJ
74.510³ mm⁴
Warping constantCw
0.055610⁹ mm⁶
Polar radius (shear center)r̄o
71.6mm
Flexural constantH
0.712

Centers

Centroidȳ
43.7mm
Plastic neutral axisyp
9.73mm

Slenderness ratios

Flange slendernessbf/2tf
5.98
Wall slendernessD/t
27.3

Equivalents in other standards