IR – wide flange (ASTM A6 W)

IR 360x196

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 = 373d = 373tf = 26.2tf = 26.2tw = 16.4tw = 16.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
373mm
Flange widthbf
373mm
Web thicknesstw
16.4mm
Flange thicknesstf
26.2mm
Distance k (design)kdes
41.4mm
Distance k (detailing)kdet
58.7mm
Distance k1k1
39.7mm
Web clear depthT
254mm
Distance between flange centroidsho
348mm

Mass and area

Mass per lengthm
196kg/m
Cross-sectional areaA
25,000mm²

Strong axis x–x

Moment of inertiaIx
63710⁶ mm⁴
Elastic section modulusSx
3,42010³ mm³
Plastic section modulusZx
3,83010³ mm³
Radius of gyrationrx
160mm

Weak axis y–y

Moment of inertiaIy
22810⁶ mm⁴
Elastic section modulusSy
1,22010³ mm³
Plastic section modulusZy
1,85010³ mm³
Radius of gyrationry
95.5mm

Torsion and stability

Torsional constantJ
5,12010³ mm⁴
Warping constantCw
6,85010⁹ mm⁶
Effective radius of gyrationrts
107mm

Slenderness ratios

Flange slendernessbf/2tf
7.15
Web slendernessh/tw
17.7

Equivalents in other standards