WT – tees

WT345x120

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 = 356d = 351tf = 27.4tf = 27.4tw = 16.8tw = 16.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
351mm
Flange widthbf
356mm
Web thicknesstw
16.8mm
Flange thicknesstf
27.4mm
Distance k (design)kdes
47.5mm
Distance k (detailing)kdet
58.7mm

Mass and area

Mass per lengthm
120kg/m
Cross-sectional areaA
15,400mm²

Strong axis x–x

Moment of inertiaIx
15510⁶ mm⁴
Elastic section modulusSx
56410³ mm³
Plastic section modulusZx
99610³ mm³
Radius of gyrationrx
100mm

Weak axis y–y

Moment of inertiaIy
10310⁶ mm⁴
Elastic section modulusSy
58010³ mm³
Plastic section modulusZy
89310³ mm³
Radius of gyrationry
82mm

Torsion and stability

Torsional constantJ
3,13010³ mm⁴
Warping constantCw
11.510⁹ mm⁶
Polar radius (shear center)r̄o
144mm
Flexural constantH
0.814

Centers

Centroidȳ
75.7mm
Plastic neutral axisyp
21.6mm

Slenderness ratios

Flange slendernessbf/2tf
6.49
Wall slendernessD/t
20.9

Equivalents in other standards