S – standard beams

S310x52

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 = 129d = 305tf = 13.8tf = 13.8tw = 10.9tw = 10.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
305mm
Flange widthbf
129mm
Web thicknesstw
10.9mm
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
52kg/m
Cross-sectional areaA
6,580mm²

Strong axis x–x

Moment of inertiaIx
94.910⁶ mm⁴
Elastic section modulusSx
62410³ mm³
Plastic section modulusZx
73110³ mm³
Radius of gyrationrx
120mm

Weak axis y–y

Moment of inertiaIy
4.110⁶ mm⁴
Elastic section modulusSy
63.610³ mm³
Plastic section modulusZy
11110³ mm³
Radius of gyrationry
24.9mm

Torsion and stability

Torsional constantJ
43710³ mm⁴
Warping constantCw
86.710⁹ mm⁶
Effective radius of gyrationrts
31mm

Slenderness ratios

Flange slendernessbf/2tf
4.67
Web slendernessh/tw
23.1

Equivalents in other standards