WT – tees

WT180x495

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 = 450d = 274tf = 115tf = 115tw = 71.9tw = 71.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
274mm
Flange widthbf
450mm
Web thicknesstw
71.9mm
Flange thicknesstf
115mm
Distance k (design)kdes
130mm
Distance k (detailing)kdet
148mm

Mass and area

Mass per lengthm
495kg/m
Cross-sectional areaA
63,100mm²

Strong axis x–x

Moment of inertiaIx
25910⁶ mm⁴
Elastic section modulusSx
1,35010³ mm³
Plastic section modulusZx
2,98010³ mm³
Radius of gyrationrx
64mm

Weak axis y–y

Moment of inertiaIy
86610⁶ mm⁴
Elastic section modulusSy
3,87010³ mm³
Plastic section modulusZy
5,98010³ mm³
Radius of gyrationry
117mm

Torsion and stability

Torsional constantJ
231,00010³ mm⁴
Warping constantCw
1,05010⁹ mm⁶
Polar radius (shear center)r̄o
136mm
Flexural constantH
0.966

Centers

Centroidȳ
82.6mm
Plastic neutral axisyp
70.4mm

Slenderness ratios

Flange slendernessbf/2tf
1.95
Wall slendernessD/t
3.82

Equivalents in other standards