WT – tees

WT180x143.5

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 = 399d = 197tf = 36.6tf = 36.6tw = 22.6tw = 22.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
197mm
Flange widthbf
399mm
Web thicknesstw
22.6mm
Flange thicknesstf
36.6mm
Distance k (design)kdes
51.8mm
Distance k (detailing)kdet
69.9mm

Mass and area

Mass per lengthm
144kg/m
Cross-sectional areaA
18,300mm²

Strong axis x–x

Moment of inertiaIx
37.410⁶ mm⁴
Elastic section modulusSx
23610³ mm³
Plastic section modulusZx
48210³ mm³
Radius of gyrationrx
45.2mm

Weak axis y–y

Moment of inertiaIy
19410⁶ mm⁴
Elastic section modulusSy
97210³ mm³
Plastic section modulusZy
1,48010³ mm³
Radius of gyrationry
103mm

Torsion and stability

Torsional constantJ
7,20010³ mm⁴
Warping constantCw
23.410⁹ mm⁶
Polar radius (shear center)r̄o
114mm
Flexural constantH
0.971

Centers

Centroidȳ
37.8mm
Plastic neutral axisyp
22.9mm

Slenderness ratios

Flange slendernessbf/2tf
5.45
Wall slendernessD/t
8.7

Equivalents in other standards