W – wide flange

W250x32.7

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 = 146d = 259tf = 9.14tf = 9.14tw = 6.1tw = 6.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
259mm
Flange widthbf
146mm
Web thicknesstw
6.1mm
Flange thicknesstf
9.14mm
Distance k (design)kdes
16.8mm
Distance k (detailing)kdet
23.8mm
Distance k1k1
15.9mm
Web clear depthT
210mm
Distance between flange centroidsho
250mm

Mass and area

Mass per lengthm
32.7kg/m
Cross-sectional areaA
4,190mm²

Strong axis x–x

Moment of inertiaIx
49.110⁶ mm⁴
Elastic section modulusSx
38010³ mm³
Plastic section modulusZx
42610³ mm³
Radius of gyrationrx
108mm

Weak axis y–y

Moment of inertiaIy
4.7510⁶ mm⁴
Elastic section modulusSy
65.110³ mm³
Plastic section modulusZy
10010³ mm³
Radius of gyrationry
33.8mm

Torsion and stability

Torsional constantJ
99.510³ mm⁴
Warping constantCw
73.810⁹ mm⁶
Effective radius of gyrationrts
39.4mm

Slenderness ratios

Flange slendernessbf/2tf
7.99
Web slendernessh/tw
36.9

Equivalents in other standards