WT – tees

WT550x195

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 = 551tf = 36.1tf = 36.1tw = 19.9tw = 19.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
551mm
Flange widthbf
401mm
Web thicknesstw
19.9mm
Flange thicknesstf
36.1mm
Distance k (design)kdes
55.9mm
Distance k (detailing)kdet
66.7mm

Mass and area

Mass per lengthm
195kg/m
Cross-sectional areaA
24,800mm²

Strong axis x–x

Moment of inertiaIx
68310⁶ mm⁴
Elastic section modulusSx
1,63010³ mm³
Plastic section modulusZx
2,88010³ mm³
Radius of gyrationrx
166mm

Weak axis y–y

Moment of inertiaIy
19210⁶ mm⁴
Elastic section modulusSy
96010³ mm³
Plastic section modulusZy
1,49010³ mm³
Radius of gyrationry
88.1mm

Torsion and stability

Torsional constantJ
7,74010³ mm⁴
Warping constantCw
53.710⁹ mm⁶
Polar radius (shear center)r̄o
219mm
Flexural constantH
0.731

Centers

Centroidȳ
132mm
Plastic neutral axisyp
31mm

Slenderness ratios

Flange slendernessbf/2tf
5.57
Wall slendernessD/t
27.6

Equivalents in other standards