WT – tees

WT305x77.5

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 = 325d = 305tf = 19.1tf = 19.1tw = 12.7tw = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
305mm
Flange widthbf
325mm
Web thicknesstw
12.7mm
Flange thicknesstf
19.1mm
Distance k (design)kdes
31.8mm
Distance k (detailing)kdet
52.4mm

Mass and area

Mass per lengthm
77.5kg/m
Cross-sectional areaA
9,870mm²

Strong axis x–x

Moment of inertiaIx
78.710⁶ mm⁴
Elastic section modulusSx
32810³ mm³
Plastic section modulusZx
57510³ mm³
Radius of gyrationrx
89.2mm

Weak axis y–y

Moment of inertiaIy
54.110⁶ mm⁴
Elastic section modulusSy
33310³ mm³
Plastic section modulusZy
51110³ mm³
Radius of gyrationry
73.9mm

Torsion and stability

Torsional constantJ
97810³ mm⁴
Warping constantCw
3.1210⁹ mm⁶
Polar radius (shear center)r̄o
129mm
Flexural constantH
0.809

Centers

Centroidȳ
65.8mm
Plastic neutral axisyp
15.2mm

Slenderness ratios

Flange slendernessbf/2tf
8.5
Wall slendernessD/t
24

Equivalents in other standards