W – wide flange

W1000x438

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 = 1,030tf = 49tf = 49tw = 26.9tw = 26.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
1,030mm
Flange widthbf
305mm
Web thicknesstw
26.9mm
Flange thicknesstf
49mm
Distance k (design)kdes
79mm
Distance k (detailing)kdet
81mm
Distance k1k1
44.5mm
Web clear depthT
864mm
Distance between flange centroidsho
978mm

Mass and area

Mass per lengthm
438kg/m
Cross-sectional areaA
55,600mm²

Strong axis x–x

Moment of inertiaIx
9,12010⁶ mm⁴
Elastic section modulusSx
17,70010³ mm³
Plastic section modulusZx
20,80010³ mm³
Radius of gyrationrx
404mm

Weak axis y–y

Moment of inertiaIy
23410⁶ mm⁴
Elastic section modulusSy
1,53010³ mm³
Plastic section modulusZy
2,46010³ mm³
Radius of gyrationry
64.8mm

Torsion and stability

Torsional constantJ
31,90010³ mm⁴
Warping constantCw
55,90010⁹ mm⁶
Effective radius of gyrationrts
80.3mm

Slenderness ratios

Flange slendernessbf/2tf
3.11
Web slendernessh/tw
32.2

Equivalents in other standards