IR – wide flange (ASTM A6 W)

IR 530x74

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 = 166d = 528tf = 13.6tf = 13.6tw = 9.65tw = 9.65
Cross-section, to scaledimensions in mm

Dimensions

Depthd
528mm
Flange widthbf
166mm
Web thicknesstw
9.65mm
Flange thicknesstf
13.6mm
Distance k (design)kdes
26.4mm
Distance k (detailing)kdet
31.8mm
Distance k1k1
20.6mm
Web clear depthT
467mm
Distance between flange centroidsho
516mm

Mass and area

Mass per lengthm
74kg/m
Cross-sectional areaA
9,480mm²

Strong axis x–x

Moment of inertiaIx
41010⁶ mm⁴
Elastic section modulusSx
1,55010³ mm³
Plastic section modulusZx
1,80010³ mm³
Radius of gyrationrx
208mm

Weak axis y–y

Moment of inertiaIy
10.410⁶ mm⁴
Elastic section modulusSy
12510³ mm³
Plastic section modulusZy
20010³ mm³
Radius of gyrationry
33mm

Torsion and stability

Torsional constantJ
47510³ mm⁴
Warping constantCw
69010⁹ mm⁶
Effective radius of gyrationrts
41.7mm

Slenderness ratios

Flange slendernessbf/2tf
6.1
Web slendernessh/tw
49.4

Equivalents in other standards