WT – tees

WT420x288

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 = 411d = 457tf = 57.9tf = 57.9tw = 32tw = 32
Cross-section, to scaledimensions in mm

Dimensions

Depthd
457mm
Flange widthbf
411mm
Web thicknesstw
32mm
Flange thicknesstf
57.9mm
Distance k (design)kdes
78mm
Distance k (detailing)kdet
90.5mm

Mass and area

Mass per lengthm
288kg/m
Cross-sectional areaA
36,800mm²

Strong axis x–x

Moment of inertiaIx
60810⁶ mm⁴
Elastic section modulusSx
1,75010³ mm³
Plastic section modulusZx
3,16010³ mm³
Radius of gyrationrx
129mm

Weak axis y–y

Moment of inertiaIy
33710⁶ mm⁴
Elastic section modulusSy
1,64010³ mm³
Plastic section modulusZy
2,56010³ mm³
Radius of gyrationry
95.8mm

Torsion and stability

Torsional constantJ
30,80010³ mm⁴
Warping constantCw
16510⁹ mm⁶
Polar radius (shear center)r̄o
179mm
Flexural constantH
0.803

Centers

Centroidȳ
108mm
Plastic neutral axisyp
44.7mm

Slenderness ratios

Flange slendernessbf/2tf
3.55
Wall slendernessD/t
14.3

Equivalents in other standards