WT – tees

WT305x70

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 = 230d = 310tf = 22.2tf = 22.2tw = 13.1tw = 13.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
310mm
Flange widthbf
230mm
Web thicknesstw
13.1mm
Flange thicknesstf
22.2mm
Distance k (design)kdes
35.1mm
Distance k (detailing)kdet
54mm

Mass and area

Mass per lengthm
70kg/m
Cross-sectional areaA
8,900mm²

Strong axis x–x

Moment of inertiaIx
77.410⁶ mm⁴
Elastic section modulusSx
33310³ mm³
Plastic section modulusZx
59210³ mm³
Radius of gyrationrx
93.2mm

Weak axis y–y

Moment of inertiaIy
22.710⁶ mm⁴
Elastic section modulusSy
19710³ mm³
Plastic section modulusZy
30610³ mm³
Radius of gyrationry
50.3mm

Torsion and stability

Torsional constantJ
1,09010³ mm⁴
Warping constantCw
2.5710⁹ mm⁶
Polar radius (shear center)r̄o
124mm
Flexural constantH
0.727

Centers

Centroidȳ
75.9mm
Plastic neutral axisyp
19.4mm

Slenderness ratios

Flange slendernessbf/2tf
5.18
Wall slendernessD/t
23.7

Equivalents in other standards