WT – tees

WT305x275.5

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 = 348d = 356tf = 69.1tf = 69.1tw = 38.6tw = 38.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
356mm
Flange widthbf
348mm
Web thicknesstw
38.6mm
Flange thicknesstf
69.1mm
Distance k (design)kdes
81.8mm
Distance k (detailing)kdet
102mm

Mass and area

Mass per lengthm
276kg/m
Cross-sectional areaA
35,200mm²

Strong axis x–x

Moment of inertiaIx
32410⁶ mm⁴
Elastic section modulusSx
1,22010³ mm³
Plastic section modulusZx
2,29010³ mm³
Radius of gyrationrx
96mm

Weak axis y–y

Moment of inertiaIy
24210⁶ mm⁴
Elastic section modulusSy
1,39010³ mm³
Plastic section modulusZy
2,18010³ mm³
Radius of gyrationry
83.1mm

Torsion and stability

Torsional constantJ
41,60010³ mm⁴
Warping constantCw
14910⁹ mm⁶
Polar radius (shear center)r̄o
139mm
Flexural constantH
0.837

Centers

Centroidȳ
90.7mm
Plastic neutral axisyp
50.5mm

Slenderness ratios

Flange slendernessbf/2tf
2.51
Wall slendernessD/t
9.2

Equivalents in other standards