IR – wide flange (ASTM A6 W)

IR 200x100

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 = 210d = 229tf = 23.7tf = 23.7tw = 14.5tw = 14.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
229mm
Flange widthbf
210mm
Web thicknesstw
14.5mm
Flange thicknesstf
23.7mm
Distance k (design)kdes
33.8mm
Distance k (detailing)kdet
41.3mm
Distance k1k1
23.8mm
Web clear depthT
146mm
Distance between flange centroidsho
205mm

Mass and area

Mass per lengthm
100kg/m
Cross-sectional areaA
12,700mm²

Strong axis x–x

Moment of inertiaIx
11310⁶ mm⁴
Elastic section modulusSx
99010³ mm³
Plastic section modulusZx
1,15010³ mm³
Radius of gyrationrx
94.5mm

Weak axis y–y

Moment of inertiaIy
36.910⁶ mm⁴
Elastic section modulusSy
35110³ mm³
Plastic section modulusZy
53610³ mm³
Radius of gyrationry
53.8mm

Torsion and stability

Torsional constantJ
2,10010³ mm⁴
Warping constantCw
38710⁹ mm⁶
Effective radius of gyrationrts
61.7mm

Slenderness ratios

Flange slendernessbf/2tf
4.43
Web slendernessh/tw
11.1

Equivalents in other standards