WT – tees

WT75x12

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 = 102d = 79.8tf = 10.3tf = 10.3tw = 6.6tw = 6.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
79.8mm
Flange widthbf
102mm
Web thicknesstw
6.6mm
Flange thicknesstf
10.3mm
Distance k (design)kdes
16.6mm
Distance k (detailing)kdet
22.2mm

Mass and area

Mass per lengthm
12kg/m
Cross-sectional areaA
1,530mm²

Strong axis x–x

Moment of inertiaIx
0.70310⁶ mm⁴
Elastic section modulusSx
11.210³ mm³
Plastic section modulusZx
20.510³ mm³
Radius of gyrationrx
21.4mm

Weak axis y–y

Moment of inertiaIy
0.9210⁶ mm⁴
Elastic section modulusSy
1810³ mm³
Plastic section modulusZy
27.710³ mm³
Radius of gyrationry
24.5mm

Torsion and stability

Torsional constantJ
46.210³ mm⁴
Warping constantCw
0.011410⁹ mm⁶
Polar radius (shear center)r̄o
34.8mm
Flexural constantH
0.88

Centers

Centroidȳ
17.2mm
Plastic neutral axisyp
7.47mm

Slenderness ratios

Flange slendernessbf/2tf
4.98
Wall slendernessD/t
12.1

Equivalents in other standards