WT – tees

WT155x126.5

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 = 320d = 178tf = 39.6tf = 39.6tw = 24.4tw = 24.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
178mm
Flange widthbf
320mm
Web thicknesstw
24.4mm
Flange thicknesstf
39.6mm
Distance k (design)kdes
54.9mm
Distance k (detailing)kdet
61.9mm

Mass and area

Mass per lengthm
127kg/m
Cross-sectional areaA
16,100mm²

Strong axis x–x

Moment of inertiaIx
28.210⁶ mm⁴
Elastic section modulusSx
20210³ mm³
Plastic section modulusZx
42010³ mm³
Radius of gyrationrx
41.9mm

Weak axis y–y

Moment of inertiaIy
10810⁶ mm⁴
Elastic section modulusSy
67510³ mm³
Plastic section modulusZy
1,03010³ mm³
Radius of gyrationry
81.8mm

Torsion and stability

Torsional constantJ
7,37010³ mm⁴
Warping constantCw
15.710⁹ mm⁶
Polar radius (shear center)r̄o
93.7mm
Flexural constantH
0.96

Centers

Centroidȳ
38.6mm
Plastic neutral axisyp
25.2mm

Slenderness ratios

Flange slendernessbf/2tf
4.03
Wall slendernessD/t
7.31

Equivalents in other standards