WT – tees

WT345x85

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 = 257d = 345tf = 23.6tf = 23.6tw = 14.5tw = 14.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
345mm
Flange widthbf
257mm
Web thicknesstw
14.5mm
Flange thicknesstf
23.6mm
Distance k (design)kdes
38.9mm
Distance k (detailing)kdet
54mm

Mass and area

Mass per lengthm
85kg/m
Cross-sectional areaA
10,800mm²

Strong axis x–x

Moment of inertiaIx
12010⁶ mm⁴
Elastic section modulusSx
46410³ mm³
Plastic section modulusZx
82610³ mm³
Radius of gyrationrx
105mm

Weak axis y–y

Moment of inertiaIy
3310⁶ mm⁴
Elastic section modulusSy
25910³ mm³
Plastic section modulusZy
40310³ mm³
Radius of gyrationry
55.4mm

Torsion and stability

Torsional constantJ
1,52010³ mm⁴
Warping constantCw
4.710⁹ mm⁶
Polar radius (shear center)r̄o
141mm
Flexural constantH
0.716

Centers

Centroidȳ
86.9mm
Plastic neutral axisyp
21.1mm

Slenderness ratios

Flange slendernessbf/2tf
5.41
Wall slendernessD/t
23.9

Equivalents in other standards