IR – wide flange (ASTM A6 W)

IR 760x147

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 = 267d = 754tf = 17tf = 17tw = 13.2tw = 13.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
754mm
Flange widthbf
267mm
Web thicknesstw
13.2mm
Flange thicknesstf
17mm
Distance k (design)kdes
33.5mm
Distance k (detailing)kdet
50.8mm
Distance k1k1
38.1mm
Web clear depthT
654mm
Distance between flange centroidsho
737mm

Mass and area

Mass per lengthm
147kg/m
Cross-sectional areaA
18,700mm²

Strong axis x–x

Moment of inertiaIx
1,66010⁶ mm⁴
Elastic section modulusSx
4,41010³ mm³
Plastic section modulusZx
5,11010³ mm³
Radius of gyrationrx
297mm

Weak axis y–y

Moment of inertiaIy
53.310⁶ mm⁴
Elastic section modulusSy
40110³ mm³
Plastic section modulusZy
63310³ mm³
Radius of gyrationry
53.3mm

Torsion and stability

Torsional constantJ
1,57010³ mm⁴
Warping constantCw
7,20010⁹ mm⁶
Effective radius of gyrationrts
66.5mm

Slenderness ratios

Flange slendernessbf/2tf
7.8
Web slendernessh/tw
51.9

Equivalents in other standards