IR – wide flange (ASTM A6 W)

IR 150x18

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 = 102d = 153tf = 7.11tf = 7.11tw = 5.84tw = 5.84
Cross-section, to scaledimensions in mm

Dimensions

Depthd
153mm
Flange widthbf
102mm
Web thicknesstw
5.84mm
Flange thicknesstf
7.11mm
Distance k (design)kdes
13.5mm
Distance k (detailing)kdet
19.1mm
Distance k1k1
14.3mm
Web clear depthT
114mm
Distance between flange centroidsho
146mm

Mass and area

Mass per lengthm
18kg/m
Cross-sectional areaA
2,290mm²

Strong axis x–x

Moment of inertiaIx
9.210⁶ mm⁴
Elastic section modulusSx
12010³ mm³
Plastic section modulusZx
13610³ mm³
Radius of gyrationrx
63.2mm

Weak axis y–y

Moment of inertiaIy
1.2410⁶ mm⁴
Elastic section modulusSy
24.610³ mm³
Plastic section modulusZy
3810³ mm³
Radius of gyrationry
23.3mm

Torsion and stability

Torsional constantJ
37.610³ mm⁴
Warping constantCw
6.6310⁹ mm⁶
Effective radius of gyrationrts
27.4mm

Slenderness ratios

Flange slendernessbf/2tf
7.14
Web slendernessh/tw
21.6

Equivalents in other standards