IR – wide flange (ASTM A6 W)

IR 410x75

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 = 180d = 414tf = 16tf = 16tw = 9.65tw = 9.65
Cross-section, to scaledimensions in mm

Dimensions

Depthd
414mm
Flange widthbf
180mm
Web thicknesstw
9.65mm
Flange thicknesstf
16mm
Distance k (design)kdes
26.2mm
Distance k (detailing)kdet
33.3mm
Distance k1k1
20.6mm
Web clear depthT
346mm
Distance between flange centroidsho
399mm

Mass and area

Mass per lengthm
75kg/m
Cross-sectional areaA
9,480mm²

Strong axis x–x

Moment of inertiaIx
27410⁶ mm⁴
Elastic section modulusSx
1,33010³ mm³
Plastic section modulusZx
1,51010³ mm³
Radius of gyrationrx
170mm

Weak axis y–y

Moment of inertiaIy
15.510⁶ mm⁴
Elastic section modulusSy
17210³ mm³
Plastic section modulusZy
26710³ mm³
Radius of gyrationry
40.4mm

Torsion and stability

Torsional constantJ
63310³ mm⁴
Warping constantCw
61010⁹ mm⁶
Effective radius of gyrationrts
48mm

Slenderness ratios

Flange slendernessbf/2tf
5.61
Web slendernessh/tw
37.4

Equivalents in other standards