IR – wide flange (ASTM A6 W)

IR 1000x443

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 = 401d = 1,010tf = 41.9tf = 41.9tw = 23.6tw = 23.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
1,010mm
Flange widthbf
401mm
Web thicknesstw
23.6mm
Flange thicknesstf
41.9mm
Distance k (design)kdes
71.9mm
Distance k (detailing)kdet
74.6mm
Distance k1k1
42.9mm
Web clear depthT
864mm
Distance between flange centroidsho
970mm

Mass and area

Mass per lengthm
443kg/m
Cross-sectional areaA
56,300mm²

Strong axis x–x

Moment of inertiaIx
9,66010⁶ mm⁴
Elastic section modulusSx
19,20010³ mm³
Plastic section modulusZx
21,80010³ mm³
Radius of gyrationrx
414mm

Weak axis y–y

Moment of inertiaIy
45410⁶ mm⁴
Elastic section modulusSy
2,26010³ mm³
Plastic section modulusZy
3,52010³ mm³
Radius of gyrationry
89.9mm

Torsion and stability

Torsional constantJ
25,50010³ mm⁴
Warping constantCw
107,00010⁹ mm⁶
Effective radius of gyrationrts
107mm

Slenderness ratios

Flange slendernessbf/2tf
4.8
Web slendernessh/tw
36.8

Equivalents in other standards