IR – wide flange (ASTM A6 W)

IR 460x106

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 = 194d = 470tf = 20.6tf = 20.6tw = 12.6tw = 12.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
470mm
Flange widthbf
194mm
Web thicknesstw
12.6mm
Flange thicknesstf
20.6mm
Distance k (design)kdes
30.7mm
Distance k (detailing)kdet
38.1mm
Distance k1k1
22.2mm
Web clear depthT
394mm
Distance between flange centroidsho
450mm

Mass and area

Mass per lengthm
106kg/m
Cross-sectional areaA
13,500mm²

Strong axis x–x

Moment of inertiaIx
48710⁶ mm⁴
Elastic section modulusSx
2,08010³ mm³
Plastic section modulusZx
2,39010³ mm³
Radius of gyrationrx
191mm

Weak axis y–y

Moment of inertiaIy
25.110⁶ mm⁴
Elastic section modulusSy
25910³ mm³
Plastic section modulusZy
40510³ mm³
Radius of gyrationry
43.2mm

Torsion and stability

Torsional constantJ
1,45010³ mm⁴
Warping constantCw
1,26010⁹ mm⁶
Effective radius of gyrationrts
52.1mm

Slenderness ratios

Flange slendernessbf/2tf
4.71
Web slendernessh/tw
32.4

Equivalents in other standards