S – standard beams

S460x81.4

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 = 152d = 457tf = 17.6tf = 17.6tw = 11.7tw = 11.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
457mm
Flange widthbf
152mm
Web thicknesstw
11.7mm
Flange thicknesstf
17.6mm
Distance k (design)kdes
38.1mm
Distance k (detailing)kdet
38.1mm
Web clear depthT
381mm
Distance between flange centroidsho
439mm

Mass and area

Mass per lengthm
81.4kg/m
Cross-sectional areaA
10,300mm²

Strong axis x–x

Moment of inertiaIx
33310⁶ mm⁴
Elastic section modulusSx
1,46010³ mm³
Plastic section modulusZx
1,70010³ mm³
Radius of gyrationrx
180mm

Weak axis y–y

Moment of inertiaIy
8.6210⁶ mm⁴
Elastic section modulusSy
11310³ mm³
Plastic section modulusZy
19810³ mm³
Radius of gyrationry
29mm

Torsion and stability

Torsional constantJ
97010³ mm⁴
Warping constantCw
41610⁹ mm⁶
Effective radius of gyrationrts
36.1mm

Slenderness ratios

Flange slendernessbf/2tf
4.34
Web slendernessh/tw
33.2

Equivalents in other standards