IR – wide flange (ASTM A6 W)

IR 690x457

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 = 366d = 752tf = 53.1tf = 53.1tw = 29.5tw = 29.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
752mm
Flange widthbf
366mm
Web thicknesstw
29.5mm
Flange thicknesstf
53.1mm
Distance k (design)kdes
73.2mm
Distance k (detailing)kdet
84.1mm
Distance k1k1
46mm
Web clear depthT
584mm
Distance between flange centroidsho
698mm

Mass and area

Mass per lengthm
457kg/m
Cross-sectional areaA
58,200mm²

Strong axis x–x

Moment of inertiaIx
5,45010⁶ mm⁴
Elastic section modulusSx
14,50010³ mm³
Plastic section modulusZx
16,90010³ mm³
Radius of gyrationrx
305mm

Weak axis y–y

Moment of inertiaIy
43710⁶ mm⁴
Elastic section modulusSy
2,39010³ mm³
Plastic section modulusZy
3,72010³ mm³
Radius of gyrationry
86.6mm

Torsion and stability

Torsional constantJ
42,00010³ mm⁴
Warping constantCw
53,40010⁹ mm⁶
Effective radius of gyrationrts
103mm

Slenderness ratios

Flange slendernessbf/2tf
3.46
Web slendernessh/tw
20.6

Equivalents in other standards