W – wide flange

W310x283

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 = 323d = 366tf = 44.2tf = 44.2tw = 26.9tw = 26.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
366mm
Flange widthbf
323mm
Web thicknesstw
26.9mm
Flange thicknesstf
44.2mm
Distance k (design)kdes
59.2mm
Distance k (detailing)kdet
66.7mm
Distance k1k1
34.9mm
Web clear depthT
232mm
Distance between flange centroidsho
323mm

Mass and area

Mass per lengthm
283kg/m
Cross-sectional areaA
36,100mm²

Strong axis x–x

Moment of inertiaIx
78710⁶ mm⁴
Elastic section modulusSx
4,31010³ mm³
Plastic section modulusZx
5,10010³ mm³
Radius of gyrationrx
148mm

Weak axis y–y

Moment of inertiaIy
24510⁶ mm⁴
Elastic section modulusSy
1,52010³ mm³
Plastic section modulusZy
2,34010³ mm³
Radius of gyrationry
82.6mm

Torsion and stability

Torsional constantJ
20,30010³ mm⁴
Warping constantCw
6,34010⁹ mm⁶
Effective radius of gyrationrts
95.8mm

Slenderness ratios

Flange slendernessbf/2tf
3.65
Web slendernessh/tw
9.16

Equivalents in other standards