IR – wide flange (ASTM A6 W)

IR 1000x350

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 = 302d = 1,010tf = 40.1tf = 40.1tw = 21.1tw = 21.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
1,010mm
Flange widthbf
302mm
Web thicknesstw
21.1mm
Flange thicknesstf
40.1mm
Distance k (design)kdes
70.1mm
Distance k (detailing)kdet
73mm
Distance k1k1
41.3mm
Web clear depthT
864mm
Distance between flange centroidsho
968mm

Mass and area

Mass per lengthm
350kg/m
Cross-sectional areaA
44,600mm²

Strong axis x–x

Moment of inertiaIx
7,24010⁶ mm⁴
Elastic section modulusSx
14,30010³ mm³
Plastic section modulusZx
16,60010³ mm³
Radius of gyrationrx
404mm

Weak axis y–y

Moment of inertiaIy
18510⁶ mm⁴
Elastic section modulusSy
1,22010³ mm³
Plastic section modulusZy
1,93010³ mm³
Radius of gyrationry
64.5mm

Torsion and stability

Torsional constantJ
17,20010³ mm⁴
Warping constantCw
43,20010⁹ mm⁶
Effective radius of gyrationrts
79mm

Slenderness ratios

Flange slendernessbf/2tf
3.77
Web slendernessh/tw
41.2

Equivalents in other standards