S – standard beams

S380x64

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 = 140d = 381tf = 15.8tf = 15.8tw = 10.4tw = 10.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
381mm
Flange widthbf
140mm
Web thicknesstw
10.4mm
Flange thicknesstf
15.8mm
Distance k (design)kdes
35.1mm
Distance k (detailing)kdet
34.9mm
Web clear depthT
311mm
Distance between flange centroidsho
366mm

Mass and area

Mass per lengthm
64kg/m
Cross-sectional areaA
8,130mm²

Strong axis x–x

Moment of inertiaIx
18610⁶ mm⁴
Elastic section modulusSx
97310³ mm³
Plastic section modulusZx
1,13010³ mm³
Radius of gyrationrx
151mm

Weak axis y–y

Moment of inertiaIy
5.9510⁶ mm⁴
Elastic section modulusSy
8510³ mm³
Plastic section modulusZy
14910³ mm³
Radius of gyrationry
26.9mm

Torsion and stability

Torsional constantJ
64110³ mm⁴
Warping constantCw
19810⁹ mm⁶
Effective radius of gyrationrts
33.3mm

Slenderness ratios

Flange slendernessbf/2tf
4.42
Web slendernessh/tw
30.4

Equivalents in other standards