WT – tees

WT265x75

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 = 312d = 272tf = 20.3tf = 20.3tw = 12.7tw = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
272mm
Flange widthbf
312mm
Web thicknesstw
12.7mm
Flange thicknesstf
20.3mm
Distance k (design)kdes
33mm
Distance k (detailing)kdet
52.4mm

Mass and area

Mass per lengthm
75kg/m
Cross-sectional areaA
9,610mm²

Strong axis x–x

Moment of inertiaIx
56.210⁶ mm⁴
Elastic section modulusSx
25910³ mm³
Plastic section modulusZx
45710³ mm³
Radius of gyrationrx
76.5mm

Weak axis y–y

Moment of inertiaIy
51.610⁶ mm⁴
Elastic section modulusSy
33110³ mm³
Plastic section modulusZy
50510³ mm³
Radius of gyrationry
73.4mm

Torsion and stability

Torsional constantJ
1,08010³ mm⁴
Warping constantCw
2.7910⁹ mm⁶
Polar radius (shear center)r̄o
115mm
Flexural constantH
0.846

Centers

Centroidȳ
55.4mm
Plastic neutral axisyp
15.4mm

Slenderness ratios

Flange slendernessbf/2tf
7.68
Wall slendernessD/t
21.4

Equivalents in other standards