WT – tees

WT420x125.5

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 = 292d = 429tf = 31tf = 31tw = 17tw = 17
Cross-section, to scaledimensions in mm

Dimensions

Depthd
429mm
Flange widthbf
292mm
Web thicknesstw
17mm
Flange thicknesstf
31mm
Distance k (design)kdes
48.8mm
Distance k (detailing)kdet
61.9mm

Mass and area

Mass per lengthm
126kg/m
Cross-sectional areaA
15,900mm²

Strong axis x–x

Moment of inertiaIx
27010⁶ mm⁴
Elastic section modulusSx
83710³ mm³
Plastic section modulusZx
1,49010³ mm³
Radius of gyrationrx
130mm

Weak axis y–y

Moment of inertiaIy
64.510⁶ mm⁴
Elastic section modulusSy
44210³ mm³
Plastic section modulusZy
69010³ mm³
Radius of gyrationry
63.5mm

Torsion and stability

Torsional constantJ
3,67010³ mm⁴
Warping constantCw
14.910⁹ mm⁶
Polar radius (shear center)r̄o
171mm
Flexural constantH
0.715

Centers

Centroidȳ
107mm
Plastic neutral axisyp
27.4mm

Slenderness ratios

Flange slendernessbf/2tf
4.71
Wall slendernessD/t
25.2

Equivalents in other standards