WT – tees

WT180x45.5

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 = 254d = 177tf = 16.4tf = 16.4tw = 9.53tw = 9.53
Cross-section, to scaledimensions in mm

Dimensions

Depthd
177mm
Flange widthbf
254mm
Web thicknesstw
9.53mm
Flange thicknesstf
16.4mm
Distance k (design)kdes
31.5mm
Distance k (detailing)kdet
38.1mm

Mass and area

Mass per lengthm
45.5kg/m
Cross-sectional areaA
5,780mm²

Strong axis x–x

Moment of inertiaIx
1210⁶ mm⁴
Elastic section modulusSx
83.110³ mm³
Plastic section modulusZx
15010³ mm³
Radius of gyrationrx
45.7mm

Weak axis y–y

Moment of inertiaIy
22.410⁶ mm⁴
Elastic section modulusSy
17510³ mm³
Plastic section modulusZy
26910³ mm³
Radius of gyrationry
62.2mm

Torsion and stability

Torsional constantJ
45410³ mm⁴
Warping constantCw
0.61510⁹ mm⁶
Polar radius (shear center)r̄o
80.5mm
Flexural constantH
0.915

Centers

Centroidȳ
31.8mm
Plastic neutral axisyp
11.4mm

Slenderness ratios

Flange slendernessbf/2tf
7.75
Wall slendernessD/t
18.5

Equivalents in other standards