S – standard beams

S200x27.4

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 = 102d = 203tf = 10.8tf = 10.8tw = 6.88tw = 6.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203mm
Flange widthbf
102mm
Web thicknesstw
6.88mm
Flange thicknesstf
10.8mm
Distance k (design)kdes
25.4mm
Distance k (detailing)kdet
25.4mm
Web clear depthT
152mm
Distance between flange centroidsho
193mm

Mass and area

Mass per lengthm
27.4kg/m
Cross-sectional areaA
3,480mm²

Strong axis x–x

Moment of inertiaIx
23.910⁶ mm⁴
Elastic section modulusSx
23610³ mm³
Plastic section modulusZx
27010³ mm³
Radius of gyrationrx
82.8mm

Weak axis y–y

Moment of inertiaIy
1.5410⁶ mm⁴
Elastic section modulusSy
30.210³ mm³
Plastic section modulusZy
52.110³ mm³
Radius of gyrationry
21mm

Torsion and stability

Torsional constantJ
13910³ mm⁴
Warping constantCw
14.210⁹ mm⁶
Effective radius of gyrationrts
25mm

Slenderness ratios

Flange slendernessbf/2tf
4.71
Web slendernessh/tw
22.9

Equivalents in other standards