WT – tees

WT180x409

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 = 437d = 257tf = 97tf = 97tw = 60.5tw = 60.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
257mm
Flange widthbf
437mm
Web thicknesstw
60.5mm
Flange thicknesstf
97mm
Distance k (design)kdes
112mm
Distance k (detailing)kdet
130mm

Mass and area

Mass per lengthm
409kg/m
Cross-sectional areaA
52,200mm²

Strong axis x–x

Moment of inertiaIx
18410⁶ mm⁴
Elastic section modulusSx
99810³ mm³
Plastic section modulusZx
2,23010³ mm³
Radius of gyrationrx
59.4mm

Weak axis y–y

Moment of inertiaIy
67810⁶ mm⁴
Elastic section modulusSy
3,10010³ mm³
Plastic section modulusZy
4,79010³ mm³
Radius of gyrationry
114mm

Torsion and stability

Torsional constantJ
138,00010³ mm⁴
Warping constantCw
58510⁹ mm⁶
Polar radius (shear center)r̄o
131mm
Flexural constantH
0.966

Centers

Centroidȳ
72.4mm
Plastic neutral axisyp
59.7mm

Slenderness ratios

Flange slendernessbf/2tf
2.25
Wall slendernessD/t
4.24

Equivalents in other standards