WT – tees

WT305x76.5

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 = 229d = 312tf = 24.9tf = 24.9tw = 14tw = 14
Cross-section, to scaledimensions in mm

Dimensions

Depthd
312mm
Flange widthbf
229mm
Web thicknesstw
14mm
Flange thicknesstf
24.9mm
Distance k (design)kdes
37.6mm
Distance k (detailing)kdet
57.2mm

Mass and area

Mass per lengthm
76.5kg/m
Cross-sectional areaA
9,740mm²

Strong axis x–x

Moment of inertiaIx
84.910⁶ mm⁴
Elastic section modulusSx
36110³ mm³
Plastic section modulusZx
64210³ mm³
Radius of gyrationrx
93.2mm

Weak axis y–y

Moment of inertiaIy
24.810⁶ mm⁴
Elastic section modulusSy
21810³ mm³
Plastic section modulusZy
33910³ mm³
Radius of gyrationry
50.5mm

Torsion and stability

Torsional constantJ
1,47010³ mm⁴
Warping constantCw
3.310⁹ mm⁶
Polar radius (shear center)r̄o
124mm
Flexural constantH
0.733

Centers

Centroidȳ
76.5mm
Plastic neutral axisyp
21.4mm

Slenderness ratios

Flange slendernessbf/2tf
4.59
Wall slendernessD/t
22.4

Equivalents in other standards