WT – tees

WT180x372

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 = 432d = 249tf = 88.9tf = 88.9tw = 55.6tw = 55.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
249mm
Flange widthbf
432mm
Web thicknesstw
55.6mm
Flange thicknesstf
88.9mm
Distance k (design)kdes
104mm
Distance k (detailing)kdet
122mm

Mass and area

Mass per lengthm
372kg/m
Cross-sectional areaA
47,400mm²

Strong axis x–x

Moment of inertiaIx
15610⁶ mm⁴
Elastic section modulusSx
86410³ mm³
Plastic section modulusZx
1,92010³ mm³
Radius of gyrationrx
57.4mm

Weak axis y–y

Moment of inertiaIy
59910⁶ mm⁴
Elastic section modulusSy
2,77010³ mm³
Plastic section modulusZy
4,28010³ mm³
Radius of gyrationry
113mm

Torsion and stability

Torsional constantJ
106,00010³ mm⁴
Warping constantCw
43510⁹ mm⁶
Polar radius (shear center)r̄o
129mm
Flexural constantH
0.967

Centers

Centroidȳ
67.8mm
Plastic neutral axisyp
54.9mm

Slenderness ratios

Flange slendernessbf/2tf
2.43
Wall slendernessD/t
4.47

Equivalents in other standards