WT – tees

WT180x338.5

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 = 427d = 242tf = 81.5tf = 81.5tw = 51.3tw = 51.3
Cross-section, to scaledimensions in mm

Dimensions

Depthd
242mm
Flange widthbf
427mm
Web thicknesstw
51.3mm
Flange thicknesstf
81.5mm
Distance k (design)kdes
96.8mm
Distance k (detailing)kdet
114mm

Mass and area

Mass per lengthm
339kg/m
Cross-sectional areaA
43,200mm²

Strong axis x–x

Moment of inertiaIx
13410⁶ mm⁴
Elastic section modulusSx
75210³ mm³
Plastic section modulusZx
1,67010³ mm³
Radius of gyrationrx
55.6mm

Weak axis y–y

Moment of inertiaIy
53310⁶ mm⁴
Elastic section modulusSy
2,49010³ mm³
Plastic section modulusZy
3,83010³ mm³
Radius of gyrationry
111mm

Torsion and stability

Torsional constantJ
81,60010³ mm⁴
Warping constantCw
32510⁹ mm⁶
Polar radius (shear center)r̄o
126mm
Flexural constantH
0.967

Centers

Centroidȳ
63.8mm
Plastic neutral axisyp
50.5mm

Slenderness ratios

Flange slendernessbf/2tf
2.62
Wall slendernessD/t
4.71

Equivalents in other standards