W – wide flange

W460x128

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 = 282d = 467tf = 19.6tf = 19.6tw = 12.2tw = 12.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
467mm
Flange widthbf
282mm
Web thicknesstw
12.2mm
Flange thicknesstf
19.6mm
Distance k (design)kdes
29.7mm
Distance k (detailing)kdet
41.3mm
Distance k1k1
27mm
Web clear depthT
384mm
Distance between flange centroidsho
447mm

Mass and area

Mass per lengthm
128kg/m
Cross-sectional areaA
16,300mm²

Strong axis x–x

Moment of inertiaIx
63710⁶ mm⁴
Elastic section modulusSx
2,72010³ mm³
Plastic section modulusZx
3,05010³ mm³
Radius of gyrationrx
197mm

Weak axis y–y

Moment of inertiaIy
72.810⁶ mm⁴
Elastic section modulusSy
51810³ mm³
Plastic section modulusZy
79310³ mm³
Radius of gyrationry
66.8mm

Torsion and stability

Torsional constantJ
1,71010³ mm⁴
Warping constantCw
3,65010⁹ mm⁶
Effective radius of gyrationrts
77.5mm

Slenderness ratios

Flange slendernessbf/2tf
7.2
Web slendernessh/tw
33.4

Equivalents in other standards