W – wide flange

W920x970

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 = 447d = 1,040tf = 89.9tf = 89.9tw = 50tw = 50
Cross-section, to scaledimensions in mm

Dimensions

Depthd
1,040mm
Flange widthbf
447mm
Web thicknesstw
50mm
Flange thicknesstf
89.9mm
Distance k (design)kdes
114mm
Distance k (detailing)kdet
122mm
Distance k1k1
55.6mm
Web clear depthT
797mm
Distance between flange centroidsho
955mm

Mass and area

Mass per lengthm
970kg/m
Cross-sectional areaA
124,000mm²

Strong axis x–x

Moment of inertiaIx
21,10010⁶ mm⁴
Elastic section modulusSx
40,30010³ mm³
Plastic section modulusZx
47,70010³ mm³
Radius of gyrationrx
411mm

Weak axis y–y

Moment of inertiaIy
1,34010⁶ mm⁴
Elastic section modulusSy
6,01010³ mm³
Plastic section modulusZy
9,52010³ mm³
Radius of gyrationry
104mm

Torsion and stability

Torsional constantJ
247,00010³ mm⁴
Warping constantCw
303,00010⁹ mm⁶
Effective radius of gyrationrts
126mm

Slenderness ratios

Flange slendernessbf/2tf
2.48
Web slendernessh/tw
16.3

Equivalents in other standards