IR – wide flange (ASTM A6 W)

IR 760x134

Standard: ASTM A6 / IMCASource: SI values from the AISC v16.0 database
IR designation built from the metric W; cross-check with the IMCA Manual.
xybf = 264d = 749tf = 15.5tf = 15.5tw = 11.9tw = 11.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
749mm
Flange widthbf
264mm
Web thicknesstw
11.9mm
Flange thicknesstf
15.5mm
Distance k (design)kdes
32mm
Distance k (detailing)kdet
47.6mm
Distance k1k1
36.5mm
Web clear depthT
654mm
Distance between flange centroidsho
734mm

Mass and area

Mass per lengthm
134kg/m
Cross-sectional areaA
17,000mm²

Strong axis x–x

Moment of inertiaIx
1,50010⁶ mm⁴
Elastic section modulusSx
4,01010³ mm³
Plastic section modulusZx
4,64010³ mm³
Radius of gyrationrx
297mm

Weak axis y–y

Moment of inertiaIy
47.910⁶ mm⁴
Elastic section modulusSy
36210³ mm³
Plastic section modulusZy
56910³ mm³
Radius of gyrationry
53.1mm

Torsion and stability

Torsional constantJ
1,18010³ mm⁴
Warping constantCw
6,44010⁹ mm⁶
Effective radius of gyrationrts
66mm

Slenderness ratios

Flange slendernessbf/2tf
8.52
Web slendernessh/tw
57.5

Equivalents in other standards