WT – tees

WT265x109.5

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 = 318d = 279tf = 29.2tf = 29.2tw = 18.3tw = 18.3
Cross-section, to scaledimensions in mm

Dimensions

Depthd
279mm
Flange widthbf
318mm
Web thicknesstw
18.3mm
Flange thicknesstf
29.2mm
Distance k (design)kdes
41.9mm
Distance k (detailing)kdet
61.9mm

Mass and area

Mass per lengthm
110kg/m
Cross-sectional areaA
13,900mm²

Strong axis x–x

Moment of inertiaIx
84.910⁶ mm⁴
Elastic section modulusSx
38810³ mm³
Plastic section modulusZx
69510³ mm³
Radius of gyrationrx
78.2mm

Weak axis y–y

Moment of inertiaIy
78.310⁶ mm⁴
Elastic section modulusSy
49210³ mm³
Plastic section modulusZy
75910³ mm³
Radius of gyrationry
74.9mm

Torsion and stability

Torsional constantJ
3,20010³ mm⁴
Warping constantCw
8.7310⁹ mm⁶
Polar radius (shear center)r̄o
118mm
Flexural constantH
0.846

Centers

Centroidȳ
60.7mm
Plastic neutral axisyp
21.9mm

Slenderness ratios

Flange slendernessbf/2tf
5.44
Wall slendernessD/t
15.3

Equivalents in other standards