WT – tees

WT75x9

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 = 76.7tf = 7.11tf = 7.11tw = 5.84tw = 5.84
Cross-section, to scaledimensions in mm

Dimensions

Depthd
76.7mm
Flange widthbf
102mm
Web thicknesstw
5.84mm
Flange thicknesstf
7.11mm
Distance k (design)kdes
13.5mm
Distance k (detailing)kdet
19.1mm

Mass and area

Mass per lengthm
9kg/m
Cross-sectional areaA
1,150mm²

Strong axis x–x

Moment of inertiaIx
0.54910⁶ mm⁴
Elastic section modulusSx
9.2410³ mm³
Plastic section modulusZx
16.610³ mm³
Radius of gyrationrx
21.9mm

Weak axis y–y

Moment of inertiaIy
0.62410⁶ mm⁴
Elastic section modulusSy
12.310³ mm³
Plastic section modulusZy
1910³ mm³
Radius of gyrationry
23.3mm

Torsion and stability

Torsional constantJ
18.710³ mm⁴
Warping constantCw
0.0047810⁹ mm⁶
Polar radius (shear center)r̄o
34.8mm
Flexural constantH
0.846

Centers

Centroidȳ
17.2mm
Plastic neutral axisyp
5.64mm

Slenderness ratios

Flange slendernessbf/2tf
7.14
Wall slendernessD/t
13.1

Equivalents in other standards