W – wide flange

W920x381

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 = 310d = 951tf = 43.9tf = 43.9tw = 24.4tw = 24.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
951mm
Flange widthbf
310mm
Web thicknesstw
24.4mm
Flange thicknesstf
43.9mm
Distance k (design)kdes
63mm
Distance k (detailing)kdet
74.6mm
Distance k1k1
42.9mm
Web clear depthT
800mm
Distance between flange centroidsho
907mm

Mass and area

Mass per lengthm
381kg/m
Cross-sectional areaA
48,600mm²

Strong axis x–x

Moment of inertiaIx
6,99010⁶ mm⁴
Elastic section modulusSx
14,70010³ mm³
Plastic section modulusZx
17,00010³ mm³
Radius of gyrationrx
378mm

Weak axis y–y

Moment of inertiaIy
22010⁶ mm⁴
Elastic section modulusSy
1,42010³ mm³
Plastic section modulusZy
2,25010³ mm³
Radius of gyrationry
67.3mm

Torsion and stability

Torsional constantJ
22,00010³ mm⁴
Warping constantCw
45,10010⁹ mm⁶
Effective radius of gyrationrts
82.3mm

Slenderness ratios

Flange slendernessbf/2tf
3.53
Web slendernessh/tw
33.8

Equivalents in other standards