WT – tees

WT550x274

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 = 406d = 564tf = 50tf = 50tw = 27.9tw = 27.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
564mm
Flange widthbf
406mm
Web thicknesstw
27.9mm
Flange thicknesstf
50mm
Distance k (design)kdes
70.1mm
Distance k (detailing)kdet
81mm

Mass and area

Mass per lengthm
274kg/m
Cross-sectional areaA
34,800mm²

Strong axis x–x

Moment of inertiaIx
99110⁶ mm⁴
Elastic section modulusSx
2,34010³ mm³
Plastic section modulusZx
4,18010³ mm³
Radius of gyrationrx
169mm

Weak axis y–y

Moment of inertiaIy
28110⁶ mm⁴
Elastic section modulusSy
1,38010³ mm³
Plastic section modulusZy
2,16010³ mm³
Radius of gyrationry
89.9mm

Torsion and stability

Torsional constantJ
20,80010³ mm⁴
Warping constantCw
15310⁹ mm⁶
Polar radius (shear center)r̄o
224mm
Flexural constantH
0.729

Centers

Centroidȳ
141mm
Plastic neutral axisyp
42.9mm

Slenderness ratios

Flange slendernessbf/2tf
4.06
Wall slendernessD/t
20.2

Equivalents in other standards