S – standard beams

S310x47.3

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 = 127d = 305tf = 13.8tf = 13.8tw = 8.89tw = 8.89
Cross-section, to scaledimensions in mm

Dimensions

Depthd
305mm
Flange widthbf
127mm
Web thicknesstw
8.89mm
Flange thicknesstf
13.8mm
Distance k (design)kdes
30.2mm
Distance k (detailing)kdet
30.2mm
Web clear depthT
244mm
Distance between flange centroidsho
292mm

Mass and area

Mass per lengthm
47.3kg/m
Cross-sectional areaA
6,010mm²

Strong axis x–x

Moment of inertiaIx
90.310⁶ mm⁴
Elastic section modulusSx
59310³ mm³
Plastic section modulusZx
68510³ mm³
Radius of gyrationrx
123mm

Weak axis y–y

Moment of inertiaIy
3.8810⁶ mm⁴
Elastic section modulusSy
61.110³ mm³
Plastic section modulusZy
10610³ mm³
Radius of gyrationry
25.4mm

Torsion and stability

Torsional constantJ
36510³ mm⁴
Warping constantCw
82.210⁹ mm⁶
Effective radius of gyrationrts
30.7mm

Slenderness ratios

Flange slendernessbf/2tf
4.6
Web slendernessh/tw
28.3

Equivalents in other standards