WT – tees

WT420x105

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 = 424tf = 24.4tf = 24.4tw = 15.4tw = 15.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
424mm
Flange widthbf
292mm
Web thicknesstw
15.4mm
Flange thicknesstf
24.4mm
Distance k (design)kdes
42.2mm
Distance k (detailing)kdet
55.6mm

Mass and area

Mass per lengthm
105kg/m
Cross-sectional areaA
13,400mm²

Strong axis x–x

Moment of inertiaIx
23010⁶ mm⁴
Elastic section modulusSx
73310³ mm³
Plastic section modulusZx
1,31010³ mm³
Radius of gyrationrx
131mm

Weak axis y–y

Moment of inertiaIy
51.210⁶ mm⁴
Elastic section modulusSy
34910³ mm³
Plastic section modulusZy
54710³ mm³
Radius of gyrationry
61.7mm

Torsion and stability

Torsional constantJ
2,01010³ mm⁴
Warping constantCw
9.5110⁹ mm⁶
Polar radius (shear center)r̄o
174mm
Flexural constantH
0.691

Centers

Centroidȳ
109mm
Plastic neutral axisyp
22.9mm

Slenderness ratios

Flange slendernessbf/2tf
6.01
Wall slendernessD/t
27.6

Equivalents in other standards