IR – wide flange (ASTM A6 W)

IR 360x463

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 = 411d = 434tf = 57.4tf = 57.4tw = 35.8tw = 35.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
434mm
Flange widthbf
411mm
Web thicknesstw
35.8mm
Flange thicknesstf
57.4mm
Distance k (design)kdes
72.6mm
Distance k (detailing)kdet
90.5mm
Distance k1k1
49.2mm
Web clear depthT
254mm
Distance between flange centroidsho
376mm

Mass and area

Mass per lengthm
463kg/m
Cross-sectional areaA
59,000mm²

Strong axis x–x

Moment of inertiaIx
1,80010⁶ mm⁴
Elastic section modulusSx
8,29010³ mm³
Plastic section modulusZx
9,88010³ mm³
Radius of gyrationrx
175mm

Weak axis y–y

Moment of inertiaIy
67010⁶ mm⁴
Elastic section modulusSy
3,26010³ mm³
Plastic section modulusZy
4,98010³ mm³
Radius of gyrationry
107mm

Torsion and stability

Torsional constantJ
56,60010³ mm⁴
Warping constantCw
23,90010⁹ mm⁶
Effective radius of gyrationrts
124mm

Slenderness ratios

Flange slendernessbf/2tf
3.59
Web slendernessh/tw
8.09

Equivalents in other standards