WT – tees

WT345x274

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 = 373d = 386tf = 63tf = 63tw = 35.1tw = 35.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
386mm
Flange widthbf
373mm
Web thicknesstw
35.1mm
Flange thicknesstf
63mm
Distance k (design)kdes
83.1mm
Distance k (detailing)kdet
93.7mm

Mass and area

Mass per lengthm
274kg/m
Cross-sectional areaA
35,000mm²

Strong axis x–x

Moment of inertiaIx
39110⁶ mm⁴
Elastic section modulusSx
1,34010³ mm³
Plastic section modulusZx
2,47010³ mm³
Radius of gyrationrx
106mm

Weak axis y–y

Moment of inertiaIy
27310⁶ mm⁴
Elastic section modulusSy
1,46010³ mm³
Plastic section modulusZy
2,29010³ mm³
Radius of gyrationry
88.4mm

Torsion and stability

Torsional constantJ
35,20010³ mm⁴
Warping constantCw
14310⁹ mm⁶
Polar radius (shear center)r̄o
151mm
Flexural constantH
0.828

Centers

Centroidȳ
94.2mm
Plastic neutral axisyp
47mm

Slenderness ratios

Flange slendernessbf/2tf
2.96
Wall slendernessD/t
11

Equivalents in other standards