WT – tees

WT550x216.5

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 = 401d = 554tf = 40.1tf = 40.1tw = 22tw = 22
Cross-section, to scaledimensions in mm

Dimensions

Depthd
554mm
Flange widthbf
401mm
Web thicknesstw
22mm
Flange thicknesstf
40.1mm
Distance k (design)kdes
59.9mm
Distance k (detailing)kdet
71.4mm

Mass and area

Mass per lengthm
217kg/m
Cross-sectional areaA
27,500mm²

Strong axis x–x

Moment of inertiaIx
76210⁶ mm⁴
Elastic section modulusSx
1,82010³ mm³
Plastic section modulusZx
3,21010³ mm³
Radius of gyrationrx
166mm

Weak axis y–y

Moment of inertiaIy
21710⁶ mm⁴
Elastic section modulusSy
1,08010³ mm³
Plastic section modulusZy
1,67010³ mm³
Radius of gyrationry
88.6mm

Torsion and stability

Torsional constantJ
10,60010³ mm⁴
Warping constantCw
73.810⁹ mm⁶
Polar radius (shear center)r̄o
220mm
Flexural constantH
0.733

Centers

Centroidȳ
134mm
Plastic neutral axisyp
34.3mm

Slenderness ratios

Flange slendernessbf/2tf
5.02
Wall slendernessD/t
25.2

Equivalents in other standards