IR – wide flange (ASTM A6 W)

IR 840x176

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 = 292d = 836tf = 18.8tf = 18.8tw = 14tw = 14
Cross-section, to scaledimensions in mm

Dimensions

Depthd
836mm
Flange widthbf
292mm
Web thicknesstw
14mm
Flange thicknesstf
18.8mm
Distance k (design)kdes
36.6mm
Distance k (detailing)kdet
50.8mm
Distance k1k1
38.1mm
Web clear depthT
733mm
Distance between flange centroidsho
818mm

Mass and area

Mass per lengthm
176kg/m
Cross-sectional areaA
22,400mm²

Strong axis x–x

Moment of inertiaIx
2,46010⁶ mm⁴
Elastic section modulusSx
5,88010³ mm³
Plastic section modulusZx
6,80010³ mm³
Radius of gyrationrx
330mm

Weak axis y–y

Moment of inertiaIy
77.810⁶ mm⁴
Elastic section modulusSy
53410³ mm³
Plastic section modulusZy
84110³ mm³
Radius of gyrationry
58.9mm

Torsion and stability

Torsional constantJ
2,21010³ mm⁴
Warping constantCw
13,00010⁹ mm⁶
Effective radius of gyrationrts
73.4mm

Slenderness ratios

Flange slendernessbf/2tf
7.76
Web slendernessh/tw
54.5

Equivalents in other standards