IR – wide flange (ASTM A6 W)

IR 200x86

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 = 209d = 222tf = 20.6tf = 20.6tw = 13tw = 13
Cross-section, to scaledimensions in mm

Dimensions

Depthd
222mm
Flange widthbf
209mm
Web thicknesstw
13mm
Flange thicknesstf
20.6mm
Distance k (design)kdes
30.5mm
Distance k (detailing)kdet
38.1mm
Distance k1k1
22.2mm
Web clear depthT
146mm
Distance between flange centroidsho
202mm

Mass and area

Mass per lengthm
86kg/m
Cross-sectional areaA
11,000mm²

Strong axis x–x

Moment of inertiaIx
94.910⁶ mm⁴
Elastic section modulusSx
85210³ mm³
Plastic section modulusZx
98010³ mm³
Radius of gyrationrx
92.7mm

Weak axis y–y

Moment of inertiaIy
31.310⁶ mm⁴
Elastic section modulusSy
30010³ mm³
Plastic section modulusZy
45710³ mm³
Radius of gyrationry
53.3mm

Torsion and stability

Torsional constantJ
1,39010³ mm⁴
Warping constantCw
31710⁹ mm⁶
Effective radius of gyrationrts
60.7mm

Slenderness ratios

Flange slendernessbf/2tf
5.07
Web slendernessh/tw
12.4

Equivalents in other standards