W – wide flange

W920x238

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 = 914tf = 25.9tf = 25.9tw = 16.5tw = 16.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
914mm
Flange widthbf
305mm
Web thicknesstw
16.5mm
Flange thicknesstf
25.9mm
Distance k (design)kdes
45mm
Distance k (detailing)kdet
57.2mm
Distance k1k1
39.7mm
Web clear depthT
800mm
Distance between flange centroidsho
889mm

Mass and area

Mass per lengthm
238kg/m
Cross-sectional areaA
30,300mm²

Strong axis x–x

Moment of inertiaIx
4,06010⁶ mm⁴
Elastic section modulusSx
8,88010³ mm³
Plastic section modulusZx
10,20010³ mm³
Radius of gyrationrx
366mm

Weak axis y–y

Moment of inertiaIy
12310⁶ mm⁴
Elastic section modulusSy
80510³ mm³
Plastic section modulusZy
1,27010³ mm³
Radius of gyrationry
63.5mm

Torsion and stability

Torsional constantJ
5,16010³ mm⁴
Warping constantCw
24,20010⁹ mm⁶
Effective radius of gyrationrts
78.5mm

Slenderness ratios

Flange slendernessbf/2tf
5.88
Web slendernessh/tw
49.9

Equivalents in other standards