W – wide flange

W690x350

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 = 361d = 729tf = 40.9tf = 40.9tw = 23.1tw = 23.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
729mm
Flange widthbf
361mm
Web thicknesstw
23.1mm
Flange thicknesstf
40.9mm
Distance k (design)kdes
61mm
Distance k (detailing)kdet
73mm
Distance k1k1
42.9mm
Web clear depthT
584mm
Distance between flange centroidsho
688mm

Mass and area

Mass per lengthm
350kg/m
Cross-sectional areaA
44,800mm²

Strong axis x–x

Moment of inertiaIx
4,04010⁶ mm⁴
Elastic section modulusSx
11,10010³ mm³
Plastic section modulusZx
12,70010³ mm³
Radius of gyrationrx
300mm

Weak axis y–y

Moment of inertiaIy
32010⁶ mm⁴
Elastic section modulusSy
1,77010³ mm³
Plastic section modulusZy
2,75010³ mm³
Radius of gyrationry
84.6mm

Torsion and stability

Torsional constantJ
19,60010³ mm⁴
Warping constantCw
37,90010⁹ mm⁶
Effective radius of gyrationrts
99.6mm

Slenderness ratios

Flange slendernessbf/2tf
4.41
Web slendernessh/tw
26.2

Equivalents in other standards