IR – wide flange (ASTM A6 W)

IR 610x140

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 = 230d = 617tf = 22.2tf = 22.2tw = 13.1tw = 13.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
617mm
Flange widthbf
230mm
Web thicknesstw
13.1mm
Flange thicknesstf
22.2mm
Distance k (design)kdes
35.1mm
Distance k (detailing)kdet
54mm
Distance k1k1
36.5mm
Web clear depthT
508mm
Distance between flange centroidsho
594mm

Mass and area

Mass per lengthm
140kg/m
Cross-sectional areaA
17,900mm²

Strong axis x–x

Moment of inertiaIx
1,12010⁶ mm⁴
Elastic section modulusSx
3,64010³ mm³
Plastic section modulusZx
4,16010³ mm³
Radius of gyrationrx
251mm

Weak axis y–y

Moment of inertiaIy
45.410⁶ mm⁴
Elastic section modulusSy
39310³ mm³
Plastic section modulusZy
61510³ mm³
Radius of gyrationry
50.3mm

Torsion and stability

Torsional constantJ
2,19010³ mm⁴
Warping constantCw
4,03010⁹ mm⁶
Effective radius of gyrationrts
61mm

Slenderness ratios

Flange slendernessbf/2tf
5.18
Web slendernessh/tw
41.9

Equivalents in other standards