WT – tees

WT180x157

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 = 401d = 200tf = 39.6tf = 39.6tw = 24.9tw = 24.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
200mm
Flange widthbf
401mm
Web thicknesstw
24.9mm
Flange thicknesstf
39.6mm
Distance k (design)kdes
54.9mm
Distance k (detailing)kdet
73mm

Mass and area

Mass per lengthm
157kg/m
Cross-sectional areaA
20,000mm²

Strong axis x–x

Moment of inertiaIx
42.510⁶ mm⁴
Elastic section modulusSx
26510³ mm³
Plastic section modulusZx
54710³ mm³
Radius of gyrationrx
46mm

Weak axis y–y

Moment of inertiaIy
21410⁶ mm⁴
Elastic section modulusSy
1,07010³ mm³
Plastic section modulusZy
1,62010³ mm³
Radius of gyrationry
103mm

Torsion and stability

Torsional constantJ
9,24010³ mm⁴
Warping constantCw
30.310⁹ mm⁶
Polar radius (shear center)r̄o
115mm
Flexural constantH
0.97

Centers

Centroidȳ
39.9mm
Plastic neutral axisyp
24.9mm

Slenderness ratios

Flange slendernessbf/2tf
5.06
Wall slendernessD/t
8.02

Equivalents in other standards