W – wide flange

W920x253

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 = 305d = 919tf = 27.9tf = 27.9tw = 17.3tw = 17.3
Cross-section, to scaledimensions in mm

Dimensions

Depthd
919mm
Flange widthbf
305mm
Web thicknesstw
17.3mm
Flange thicknesstf
27.9mm
Distance k (design)kdes
47mm
Distance k (detailing)kdet
60.3mm
Distance k1k1
39.7mm
Web clear depthT
800mm
Distance between flange centroidsho
892mm

Mass and area

Mass per lengthm
253kg/m
Cross-sectional areaA
32,300mm²

Strong axis x–x

Moment of inertiaIx
4,37010⁶ mm⁴
Elastic section modulusSx
9,52010³ mm³
Plastic section modulusZx
10,90010³ mm³
Radius of gyrationrx
368mm

Weak axis y–y

Moment of inertiaIy
13310⁶ mm⁴
Elastic section modulusSy
87210³ mm³
Plastic section modulusZy
1,37010³ mm³
Radius of gyrationry
64.3mm

Torsion and stability

Torsional constantJ
6,29010³ mm⁴
Warping constantCw
26,50010⁹ mm⁶
Effective radius of gyrationrts
79mm

Slenderness ratios

Flange slendernessbf/2tf
5.47
Web slendernessh/tw
47.7

Equivalents in other standards