IR – wide flange (ASTM A6 W)

IR 150x13.5

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 = 100d = 150tf = 5.46tf = 5.46tw = 4.32tw = 4.32
Cross-section, to scaledimensions in mm

Dimensions

Depthd
150mm
Flange widthbf
100mm
Web thicknesstw
4.32mm
Flange thicknesstf
5.46mm
Distance k (design)kdes
11.8mm
Distance k (detailing)kdet
17.5mm
Distance k1k1
12.7mm
Web clear depthT
114mm
Distance between flange centroidsho
145mm

Mass and area

Mass per lengthm
13.5kg/m
Cross-sectional areaA
1,730mm²

Strong axis x–x

Moment of inertiaIx
6.8310⁶ mm⁴
Elastic section modulusSx
91.110³ mm³
Plastic section modulusZx
10210³ mm³
Radius of gyrationrx
62.7mm

Weak axis y–y

Moment of inertiaIy
0.91610⁶ mm⁴
Elastic section modulusSy
18.210³ mm³
Plastic section modulusZy
28.210³ mm³
Radius of gyrationry
23mm

Torsion and stability

Torsional constantJ
16.910³ mm⁴
Warping constantCw
4.7510⁹ mm⁶
Effective radius of gyrationrts
26.9mm

Slenderness ratios

Flange slendernessbf/2tf
9.16
Web slendernessh/tw
29.2

Equivalents in other standards