WT – tees

WT420x179.5

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 = 404d = 434tf = 35.6tf = 35.6tw = 21.1tw = 21.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
434mm
Flange widthbf
404mm
Web thicknesstw
21.1mm
Flange thicknesstf
35.6mm
Distance k (design)kdes
55.6mm
Distance k (detailing)kdet
68.3mm

Mass and area

Mass per lengthm
180kg/m
Cross-sectional areaA
23,000mm²

Strong axis x–x

Moment of inertiaIx
36310⁶ mm⁴
Elastic section modulusSx
1,08010³ mm³
Plastic section modulusZx
1,90010³ mm³
Radius of gyrationrx
126mm

Weak axis y–y

Moment of inertiaIy
19410⁶ mm⁴
Elastic section modulusSy
96410³ mm³
Plastic section modulusZy
1,49010³ mm³
Radius of gyrationry
91.9mm

Torsion and stability

Torsional constantJ
7,49010³ mm⁴
Warping constantCw
39.210⁹ mm⁶
Polar radius (shear center)r̄o
175mm
Flexural constantH
0.792

Centers

Centroidȳ
97.5mm
Plastic neutral axisyp
28.4mm

Slenderness ratios

Flange slendernessbf/2tf
5.66
Wall slendernessD/t
20.6

Equivalents in other standards