WT – tees

WT180x61

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 = 257d = 182tf = 21.7tf = 21.7tw = 13tw = 13
Cross-section, to scaledimensions in mm

Dimensions

Depthd
182mm
Flange widthbf
257mm
Web thicknesstw
13mm
Flange thicknesstf
21.7mm
Distance k (design)kdes
36.8mm
Distance k (detailing)kdet
42.9mm

Mass and area

Mass per lengthm
61kg/m
Cross-sectional areaA
7,740mm²

Strong axis x–x

Moment of inertiaIx
17.110⁶ mm⁴
Elastic section modulusSx
11710³ mm³
Plastic section modulusZx
21610³ mm³
Radius of gyrationrx
47mm

Weak axis y–y

Moment of inertiaIy
30.810⁶ mm⁴
Elastic section modulusSy
23910³ mm³
Plastic section modulusZy
36710³ mm³
Radius of gyrationry
63mm

Torsion and stability

Torsional constantJ
1,05010³ mm⁴
Warping constantCw
1.5110⁹ mm⁶
Polar radius (shear center)r̄o
82.3mm
Flexural constantH
0.912

Centers

Centroidȳ
35.3mm
Plastic neutral axisyp
15.1mm

Slenderness ratios

Flange slendernessbf/2tf
5.92
Wall slendernessD/t
14

Equivalents in other standards