IR – wide flange (ASTM A6 W)

IR 610x372

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 = 335d = 668tf = 48tf = 48tw = 26.4tw = 26.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
668mm
Flange widthbf
335mm
Web thicknesstw
26.4mm
Flange thicknesstf
48mm
Distance k (design)kdes
60.7mm
Distance k (detailing)kdet
79.4mm
Distance k1k1
44.5mm
Web clear depthT
508mm
Distance between flange centroidsho
620mm

Mass and area

Mass per lengthm
372kg/m
Cross-sectional areaA
47,400mm²

Strong axis x–x

Moment of inertiaIx
3,53010⁶ mm⁴
Elastic section modulusSx
10,60010³ mm³
Plastic section modulusZx
12,20010³ mm³
Radius of gyrationrx
272mm

Weak axis y–y

Moment of inertiaIy
30110⁶ mm⁴
Elastic section modulusSy
1,80010³ mm³
Plastic section modulusZy
2,80010³ mm³
Radius of gyrationry
79.8mm

Torsion and stability

Torsional constantJ
27,70010³ mm⁴
Warping constantCw
29,00010⁹ mm⁶
Effective radius of gyrationrts
94.2mm

Slenderness ratios

Flange slendernessbf/2tf
3.49
Web slendernessh/tw
20.7

Equivalents in other standards