IR – wide flange (ASTM A6 W)

IR 610x307

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 = 330d = 653tf = 39.9tf = 39.9tw = 22.1tw = 22.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
653mm
Flange widthbf
330mm
Web thicknesstw
22.1mm
Flange thicknesstf
39.9mm
Distance k (design)kdes
52.6mm
Distance k (detailing)kdet
73mm
Distance k1k1
41.3mm
Web clear depthT
508mm
Distance between flange centroidsho
612mm

Mass and area

Mass per lengthm
307kg/m
Cross-sectional areaA
39,200mm²

Strong axis x–x

Moment of inertiaIx
2,84010⁶ mm⁴
Elastic section modulusSx
8,70010³ mm³
Plastic section modulusZx
9,93010³ mm³
Radius of gyrationrx
269mm

Weak axis y–y

Moment of inertiaIy
24110⁶ mm⁴
Elastic section modulusSy
1,46010³ mm³
Plastic section modulusZy
2,25010³ mm³
Radius of gyrationry
78.2mm

Torsion and stability

Torsional constantJ
15,90010³ mm⁴
Warping constantCw
22,60010⁹ mm⁶
Effective radius of gyrationrts
91.9mm

Slenderness ratios

Flange slendernessbf/2tf
4.14
Web slendernessh/tw
24.8

Equivalents in other standards