WT – tees

WT180x25.5

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 = 171d = 178tf = 11.6tf = 11.6tw = 7.24tw = 7.24
Cross-section, to scaledimensions in mm

Dimensions

Depthd
178mm
Flange widthbf
171mm
Web thicknesstw
7.24mm
Flange thicknesstf
11.6mm
Distance k (design)kdes
21.7mm
Distance k (detailing)kdet
30.2mm

Mass and area

Mass per lengthm
25.5kg/m
Cross-sectional areaA
3,230mm²

Strong axis x–x

Moment of inertiaIx
8.710⁶ mm⁴
Elastic section modulusSx
62.810³ mm³
Plastic section modulusZx
11010³ mm³
Radius of gyrationrx
51.8mm

Weak axis y–y

Moment of inertiaIy
4.8310⁶ mm⁴
Elastic section modulusSy
56.510³ mm³
Plastic section modulusZy
87.210³ mm³
Radius of gyrationry
38.9mm

Torsion and stability

Torsional constantJ
11810³ mm⁴
Warping constantCw
0.10710⁹ mm⁶
Polar radius (shear center)r̄o
72.9mm
Flexural constantH
0.792

Centers

Centroidȳ
38.9mm
Plastic neutral axisyp
9.42mm

Slenderness ratios

Flange slendernessbf/2tf
7.41
Wall slendernessD/t
24.5

Equivalents in other standards