WT – tees

WT180x81

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 = 371d = 182tf = 21.8tf = 21.8tw = 13.3tw = 13.3
Cross-section, to scaledimensions in mm

Dimensions

Depthd
182mm
Flange widthbf
371mm
Web thicknesstw
13.3mm
Flange thicknesstf
21.8mm
Distance k (design)kdes
37.1mm
Distance k (detailing)kdet
55.6mm

Mass and area

Mass per lengthm
81kg/m
Cross-sectional areaA
10,300mm²

Strong axis x–x

Moment of inertiaIx
18.910⁶ mm⁴
Elastic section modulusSx
12410³ mm³
Plastic section modulusZx
23610³ mm³
Radius of gyrationrx
42.7mm

Weak axis y–y

Moment of inertiaIy
92.810⁶ mm⁴
Elastic section modulusSy
50110³ mm³
Plastic section modulusZy
75910³ mm³
Radius of gyrationry
94.7mm

Torsion and stability

Torsional constantJ
1,48010³ mm⁴
Warping constantCw
4.0310⁹ mm⁶
Polar radius (shear center)r̄o
106mm
Flexural constantH
0.968

Centers

Centroidȳ
29.7mm
Plastic neutral axisyp
13.9mm

Slenderness ratios

Flange slendernessbf/2tf
8.49
Wall slendernessD/t
13.6

Equivalents in other standards