S – standard beams

S310x60.7

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 = 133d = 305tf = 16.7tf = 16.7tw = 11.7tw = 11.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
305mm
Flange widthbf
133mm
Web thicknesstw
11.7mm
Flange thicknesstf
16.7mm
Distance k (design)kdes
36.6mm
Distance k (detailing)kdet
36.5mm
Web clear depthT
232mm
Distance between flange centroidsho
287mm

Mass and area

Mass per lengthm
60.7kg/m
Cross-sectional areaA
7,680mm²

Strong axis x–x

Moment of inertiaIx
11210⁶ mm⁴
Elastic section modulusSx
73910³ mm³
Plastic section modulusZx
86410³ mm³
Radius of gyrationrx
121mm

Weak axis y–y

Moment of inertiaIy
5.6210⁶ mm⁴
Elastic section modulusSy
84.110³ mm³
Plastic section modulusZy
14510³ mm³
Radius of gyrationry
26.9mm

Torsion and stability

Torsional constantJ
70310³ mm⁴
Warping constantCw
11610⁹ mm⁶
Effective radius of gyrationrts
33mm

Slenderness ratios

Flange slendernessbf/2tf
3.98
Web slendernessh/tw
20.6

Equivalents in other standards