WT – tees

WT180x275.5

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 = 419d = 228tf = 67.6tf = 67.6tw = 42.2tw = 42.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
228mm
Flange widthbf
419mm
Web thicknesstw
42.2mm
Flange thicknesstf
67.6mm
Distance k (design)kdes
82.8mm
Distance k (detailing)kdet
100mm

Mass and area

Mass per lengthm
276kg/m
Cross-sectional areaA
35,100mm²

Strong axis x–x

Moment of inertiaIx
95.310⁶ mm⁴
Elastic section modulusSx
55610³ mm³
Plastic section modulusZx
1,22010³ mm³
Radius of gyrationrx
52.1mm

Weak axis y–y

Moment of inertiaIy
41410⁶ mm⁴
Elastic section modulusSy
1,98010³ mm³
Plastic section modulusZy
3,03010³ mm³
Radius of gyrationry
108mm

Torsion and stability

Torsional constantJ
45,80010³ mm⁴
Warping constantCw
17210⁹ mm⁶
Polar radius (shear center)r̄o
122mm
Flexural constantH
0.968

Centers

Centroidȳ
55.6mm
Plastic neutral axisyp
41.9mm

Slenderness ratios

Flange slendernessbf/2tf
3.1
Wall slendernessD/t
5.4

Equivalents in other standards