WT – tees

WT345x250

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 = 371d = 381tf = 57.9tf = 57.9tw = 32tw = 32
Cross-section, to scaledimensions in mm

Dimensions

Depthd
381mm
Flange widthbf
371mm
Web thicknesstw
32mm
Flange thicknesstf
57.9mm
Distance k (design)kdes
78mm
Distance k (detailing)kdet
88.9mm

Mass and area

Mass per lengthm
250kg/m
Cross-sectional areaA
31,900mm²

Strong axis x–x

Moment of inertiaIx
34910⁶ mm⁴
Elastic section modulusSx
1,20010³ mm³
Plastic section modulusZx
2,21010³ mm³
Radius of gyrationrx
105mm

Weak axis y–y

Moment of inertiaIy
24410⁶ mm⁴
Elastic section modulusSy
1,32010³ mm³
Plastic section modulusZy
2,06010³ mm³
Radius of gyrationry
87.6mm

Torsion and stability

Torsional constantJ
27,20010³ mm⁴
Warping constantCw
10810⁹ mm⁶
Polar radius (shear center)r̄o
150mm
Flexural constantH
0.829

Centers

Centroidȳ
90.9mm
Plastic neutral axisyp
43.2mm

Slenderness ratios

Flange slendernessbf/2tf
3.19
Wall slendernessD/t
11.9

Equivalents in other standards