WT – tees

WT180x28.9

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 = 172d = 179tf = 13.1tf = 13.1tw = 7.87tw = 7.87
Cross-section, to scaledimensions in mm

Dimensions

Depthd
179mm
Flange widthbf
172mm
Web thicknesstw
7.87mm
Flange thicknesstf
13.1mm
Distance k (design)kdes
23.2mm
Distance k (detailing)kdet
31.8mm

Mass and area

Mass per lengthm
28.9kg/m
Cross-sectional areaA
3,600mm²

Strong axis x–x

Moment of inertiaIx
9.710⁶ mm⁴
Elastic section modulusSx
69.210³ mm³
Plastic section modulusZx
12210³ mm³
Radius of gyrationrx
51.8mm

Weak axis y–y

Moment of inertiaIy
5.5410⁶ mm⁴
Elastic section modulusSy
64.610³ mm³
Plastic section modulusZy
99.510³ mm³
Radius of gyrationry
39.4mm

Torsion and stability

Torsional constantJ
16610³ mm⁴
Warping constantCw
0.14910⁹ mm⁶
Polar radius (shear center)r̄o
72.6mm
Flexural constantH
0.799

Centers

Centroidȳ
39.1mm
Plastic neutral axisyp
10.5mm

Slenderness ratios

Flange slendernessbf/2tf
6.57
Wall slendernessD/t
22.7

Equivalents in other standards