WT – tees

WT550x303.5

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 = 409d = 569tf = 55.1tf = 55.1tw = 31tw = 31
Cross-section, to scaledimensions in mm

Dimensions

Depthd
569mm
Flange widthbf
409mm
Web thicknesstw
31mm
Flange thicknesstf
55.1mm
Distance k (design)kdes
75.2mm
Distance k (detailing)kdet
85.7mm

Mass and area

Mass per lengthm
304kg/m
Cross-sectional areaA
38,600mm²

Strong axis x–x

Moment of inertiaIx
1,11010⁶ mm⁴
Elastic section modulusSx
2,62010³ mm³
Plastic section modulusZx
4,69010³ mm³
Radius of gyrationrx
170mm

Weak axis y–y

Moment of inertiaIy
31610⁶ mm⁴
Elastic section modulusSy
1,54010³ mm³
Plastic section modulusZy
2,43010³ mm³
Radius of gyrationry
90.4mm

Torsion and stability

Torsional constantJ
27,80010³ mm⁴
Warping constantCw
21110⁹ mm⁶
Polar radius (shear center)r̄o
225mm
Flexural constantH
0.728

Centers

Centroidȳ
145mm
Plastic neutral axisyp
47.2mm

Slenderness ratios

Flange slendernessbf/2tf
3.71
Wall slendernessD/t
18.4

Equivalents in other standards