IR – wide flange (ASTM A6 W)

IR 200x31.3

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 = 134d = 210tf = 10.2tf = 10.2tw = 6.35tw = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
210mm
Flange widthbf
134mm
Web thicknesstw
6.35mm
Flange thicknesstf
10.2mm
Distance k (design)kdes
17.8mm
Distance k (detailing)kdet
22.2mm
Distance k1k1
14.3mm
Web clear depthT
165mm
Distance between flange centroidsho
200mm

Mass and area

Mass per lengthm
31.3kg/m
Cross-sectional areaA
3,970mm²

Strong axis x–x

Moment of inertiaIx
31.310⁶ mm⁴
Elastic section modulusSx
29810³ mm³
Plastic section modulusZx
33410³ mm³
Radius of gyrationrx
88.6mm

Weak axis y–y

Moment of inertiaIy
4.0710⁶ mm⁴
Elastic section modulusSy
60.810³ mm³
Plastic section modulusZy
93.210³ mm³
Radius of gyrationry
32mm

Torsion and stability

Torsional constantJ
11710³ mm⁴
Warping constantCw
40.810⁹ mm⁶
Effective radius of gyrationrts
37.1mm

Slenderness ratios

Flange slendernessbf/2tf
6.59
Web slendernessh/tw
27.5

Equivalents in other standards