WT – tees

WT230x210.5

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 = 302d = 277tf = 63.5tf = 63.5tw = 35.6tw = 35.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
277mm
Flange widthbf
302mm
Web thicknesstw
35.6mm
Flange thicknesstf
63.5mm
Distance k (design)kdes
76.2mm
Distance k (detailing)kdet
85.7mm

Mass and area

Mass per lengthm
211kg/m
Cross-sectional areaA
26,900mm²

Strong axis x–x

Moment of inertiaIx
14010⁶ mm⁴
Elastic section modulusSx
68010³ mm³
Plastic section modulusZx
1,31010³ mm³
Radius of gyrationrx
72.4mm

Weak axis y–y

Moment of inertiaIy
14710⁶ mm⁴
Elastic section modulusSy
97010³ mm³
Plastic section modulusZy
1,52010³ mm³
Radius of gyrationry
73.9mm

Torsion and stability

Torsional constantJ
27,70010³ mm⁴
Warping constantCw
67.410⁹ mm⁶
Polar radius (shear center)r̄o
111mm
Flexural constantH
0.873

Centers

Centroidȳ
71.1mm
Plastic neutral axisyp
44.5mm

Slenderness ratios

Flange slendernessbf/2tf
2.38
Wall slendernessD/t
7.79

Equivalents in other standards