IR – wide flange (ASTM A6 W)

IR 610x174

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 = 325d = 617tf = 21.6tf = 21.6tw = 14tw = 14
Cross-section, to scaledimensions in mm

Dimensions

Depthd
617mm
Flange widthbf
325mm
Web thicknesstw
14mm
Flange thicknesstf
21.6mm
Distance k (design)kdes
34.3mm
Distance k (detailing)kdet
54mm
Distance k1k1
38.1mm
Web clear depthT
508mm
Distance between flange centroidsho
597mm

Mass and area

Mass per lengthm
174kg/m
Cross-sectional areaA
22,200mm²

Strong axis x–x

Moment of inertiaIx
1,47010⁶ mm⁴
Elastic section modulusSx
4,77010³ mm³
Plastic section modulusZx
5,36010³ mm³
Radius of gyrationrx
257mm

Weak axis y–y

Moment of inertiaIy
12410⁶ mm⁴
Elastic section modulusSy
76210³ mm³
Plastic section modulusZy
1,17010³ mm³
Radius of gyrationry
74.7mm

Torsion and stability

Torsional constantJ
2,80010³ mm⁴
Warping constantCw
11,00010⁹ mm⁶
Effective radius of gyrationrts
87.9mm

Slenderness ratios

Flange slendernessbf/2tf
7.53
Web slendernessh/tw
39.2

Equivalents in other standards