IR – wide flange (ASTM A6 W)

IR 360x818

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 = 437d = 513tf = 97tf = 97tw = 60.5tw = 60.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
513mm
Flange widthbf
437mm
Web thicknesstw
60.5mm
Flange thicknesstf
97mm
Distance k (design)kdes
112mm
Distance k (detailing)kdet
130mm
Distance k1k1
60.3mm
Web clear depthT
254mm
Distance between flange centroidsho
417mm

Mass and area

Mass per lengthm
818kg/m
Cross-sectional areaA
105,000mm²

Strong axis x–x

Moment of inertiaIx
3,93010⁶ mm⁴
Elastic section modulusSx
15,30010³ mm³
Plastic section modulusZx
19,30010³ mm³
Radius of gyrationrx
194mm

Weak axis y–y

Moment of inertiaIy
1,35010⁶ mm⁴
Elastic section modulusSy
6,19010³ mm³
Plastic section modulusZy
9,55010³ mm³
Radius of gyrationry
114mm

Torsion and stability

Torsional constantJ
278,00010³ mm⁴
Warping constantCw
58,80010⁹ mm⁶
Effective radius of gyrationrts
136mm

Slenderness ratios

Flange slendernessbf/2tf
2.25
Web slendernessh/tw
4.79

Equivalents in other standards