WT – tees

WT305x120.5

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 = 330d = 318tf = 31tf = 31tw = 17.9tw = 17.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
318mm
Flange widthbf
330mm
Web thicknesstw
17.9mm
Flange thicknesstf
31mm
Distance k (design)kdes
43.7mm
Distance k (detailing)kdet
63.5mm

Mass and area

Mass per lengthm
121kg/m
Cross-sectional areaA
15,400mm²

Strong axis x–x

Moment of inertiaIx
12210⁶ mm⁴
Elastic section modulusSx
49010³ mm³
Plastic section modulusZx
87310³ mm³
Radius of gyrationrx
88.9mm

Weak axis y–y

Moment of inertiaIy
9210⁶ mm⁴
Elastic section modulusSy
56010³ mm³
Plastic section modulusZy
86210³ mm³
Radius of gyrationry
77.5mm

Torsion and stability

Torsional constantJ
3,84010³ mm⁴
Warping constantCw
11.810⁹ mm⁶
Polar radius (shear center)r̄o
129mm
Flexural constantH
0.832

Centers

Centroidȳ
68.6mm
Plastic neutral axisyp
23.4mm

Slenderness ratios

Flange slendernessbf/2tf
5.31
Wall slendernessD/t
17.7

Equivalents in other standards