IR – wide flange (ASTM A6 W)

IR 250x22.3

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 = 102d = 254tf = 6.86tf = 6.86tw = 5.84tw = 5.84
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Flange widthbf
102mm
Web thicknesstw
5.84mm
Flange thicknesstf
6.86mm
Distance k (design)kdes
14.5mm
Distance k (detailing)kdet
20.6mm
Distance k1k1
14.3mm
Web clear depthT
213mm
Distance between flange centroidsho
247mm

Mass and area

Mass per lengthm
22.3kg/m
Cross-sectional areaA
2,850mm²

Strong axis x–x

Moment of inertiaIx
28.710⁶ mm⁴
Elastic section modulusSx
22610³ mm³
Plastic section modulusZx
26210³ mm³
Radius of gyrationrx
100mm

Weak axis y–y

Moment of inertiaIy
1.210⁶ mm⁴
Elastic section modulusSy
23.810³ mm³
Plastic section modulusZy
37.710³ mm³
Radius of gyrationry
20.6mm

Torsion and stability

Torsional constantJ
43.310³ mm⁴
Warping constantCw
18.310⁹ mm⁶
Effective radius of gyrationrts
25.7mm

Slenderness ratios

Flange slendernessbf/2tf
7.41
Web slendernessh/tw
38.5

Equivalents in other standards