IR – wide flange (ASTM A6 W)

IR 530x72

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 = 207d = 523tf = 10.9tf = 10.9tw = 8.89tw = 8.89
Cross-section, to scaledimensions in mm

Dimensions

Depthd
523mm
Flange widthbf
207mm
Web thicknesstw
8.89mm
Flange thicknesstf
10.9mm
Distance k (design)kdes
23.6mm
Distance k (detailing)kdet
28.6mm
Distance k1k1
20.6mm
Web clear depthT
467mm
Distance between flange centroidsho
513mm

Mass and area

Mass per lengthm
72kg/m
Cross-sectional areaA
9,100mm²

Strong axis x–x

Moment of inertiaIx
39910⁶ mm⁴
Elastic section modulusSx
1,52010³ mm³
Plastic section modulusZx
1,75010³ mm³
Radius of gyrationrx
209mm

Weak axis y–y

Moment of inertiaIy
16.110⁶ mm⁴
Elastic section modulusSy
15610³ mm³
Plastic section modulusZy
24410³ mm³
Radius of gyrationry
42.2mm

Torsion and stability

Torsional constantJ
33410³ mm⁴
Warping constantCw
1,06010⁹ mm⁶
Effective radius of gyrationrts
52.1mm

Slenderness ratios

Flange slendernessbf/2tf
9.47
Web slendernessh/tw
53.6

Equivalents in other standards