IR – wide flange (ASTM A6 W)

IR 690x192

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 = 254d = 701tf = 27.9tf = 27.9tw = 15.5tw = 15.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
701mm
Flange widthbf
254mm
Web thicknesstw
15.5mm
Flange thicknesstf
27.9mm
Distance k (design)kdes
43.2mm
Distance k (detailing)kdet
58.7mm
Distance k1k1
38.1mm
Web clear depthT
584mm
Distance between flange centroidsho
673mm

Mass and area

Mass per lengthm
192kg/m
Cross-sectional areaA
24,400mm²

Strong axis x–x

Moment of inertiaIx
1,98010⁶ mm⁴
Elastic section modulusSx
5,65010³ mm³
Plastic section modulusZx
6,47010³ mm³
Radius of gyrationrx
284mm

Weak axis y–y

Moment of inertiaIy
76.610⁶ mm⁴
Elastic section modulusSy
60310³ mm³
Plastic section modulusZy
94410³ mm³
Radius of gyrationry
56.1mm

Torsion and stability

Torsional constantJ
4,62010³ mm⁴
Warping constantCw
8,73010⁹ mm⁶
Effective radius of gyrationrts
67.6mm

Slenderness ratios

Flange slendernessbf/2tf
4.55
Web slendernessh/tw
39.7

Equivalents in other standards