IR – wide flange (ASTM A6 W)

IR 460x113

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 = 279d = 462tf = 17.3tf = 17.3tw = 10.8tw = 10.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
462mm
Flange widthbf
279mm
Web thicknesstw
10.8mm
Flange thicknesstf
17.3mm
Distance k (design)kdes
27.4mm
Distance k (detailing)kdet
39.7mm
Distance k1k1
27mm
Web clear depthT
384mm
Distance between flange centroidsho
444mm

Mass and area

Mass per lengthm
113kg/m
Cross-sectional areaA
14,400mm²

Strong axis x–x

Moment of inertiaIx
55410⁶ mm⁴
Elastic section modulusSx
2,39010³ mm³
Plastic section modulusZx
2,67010³ mm³
Radius of gyrationrx
196mm

Weak axis y–y

Moment of inertiaIy
63.310⁶ mm⁴
Elastic section modulusSy
45210³ mm³
Plastic section modulusZy
69210³ mm³
Radius of gyrationry
66.3mm

Torsion and stability

Torsional constantJ
1,18010³ mm⁴
Warping constantCw
3,14010⁹ mm⁶
Effective radius of gyrationrts
76.7mm

Slenderness ratios

Flange slendernessbf/2tf
8.11
Web slendernessh/tw
37.8

Equivalents in other standards