WT – tees

WT75x18.55

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 = 154d = 81tf = 11.6tf = 11.6tw = 8.13tw = 8.13
Cross-section, to scaledimensions in mm

Dimensions

Depthd
81mm
Flange widthbf
154mm
Web thicknesstw
8.13mm
Flange thicknesstf
11.6mm
Distance k (design)kdes
17.9mm
Distance k (detailing)kdet
23.8mm

Mass and area

Mass per lengthm
18.6kg/m
Cross-sectional areaA
2,370mm²

Strong axis x–x

Moment of inertiaIx
0.95310⁶ mm⁴
Elastic section modulusSx
14.510³ mm³
Plastic section modulusZx
27.510³ mm³
Radius of gyrationrx
20mm

Weak axis y–y

Moment of inertiaIy
3.5510⁶ mm⁴
Elastic section modulusSy
4610³ mm³
Plastic section modulusZy
70.110³ mm³
Radius of gyrationry
38.6mm

Torsion and stability

Torsional constantJ
95.310³ mm⁴
Warping constantCw
0.045910⁹ mm⁶
Polar radius (shear center)r̄o
44.7mm
Flexural constantH
0.953

Centers

Centroidȳ
15.5mm
Plastic neutral axisyp
7.67mm

Slenderness ratios

Flange slendernessbf/2tf
6.68
Wall slendernessD/t
10

Equivalents in other standards