WT – tees

WT345x76

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 = 254d = 343tf = 21.1tf = 21.1tw = 13.1tw = 13.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
343mm
Flange widthbf
254mm
Web thicknesstw
13.1mm
Flange thicknesstf
21.1mm
Distance k (design)kdes
36.3mm
Distance k (detailing)kdet
52.4mm

Mass and area

Mass per lengthm
76kg/m
Cross-sectional areaA
9,680mm²

Strong axis x–x

Moment of inertiaIx
10710⁶ mm⁴
Elastic section modulusSx
41510³ mm³
Plastic section modulusZx
73710³ mm³
Radius of gyrationrx
105mm

Weak axis y–y

Moment of inertiaIy
2910⁶ mm⁴
Elastic section modulusSy
22810³ mm³
Plastic section modulusZy
35610³ mm³
Radius of gyrationry
54.6mm

Torsion and stability

Torsional constantJ
1,09010³ mm⁴
Warping constantCw
3.3810⁹ mm⁶
Polar radius (shear center)r̄o
140mm
Flexural constantH
0.713

Centers

Centroidȳ
85.6mm
Plastic neutral axisyp
19.1mm

Slenderness ratios

Flange slendernessbf/2tf
6.03
Wall slendernessD/t
26.2

Equivalents in other standards