IR – wide flange (ASTM A6 W)

IR 410x114

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 = 262d = 419tf = 19.3tf = 19.3tw = 11.6tw = 11.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
419mm
Flange widthbf
262mm
Web thicknesstw
11.6mm
Flange thicknesstf
19.3mm
Distance k (design)kdes
29.5mm
Distance k (detailing)kdet
41.3mm
Distance k1k1
27mm
Web clear depthT
337mm
Distance between flange centroidsho
399mm

Mass and area

Mass per lengthm
114kg/m
Cross-sectional areaA
14,600mm²

Strong axis x–x

Moment of inertiaIx
46210⁶ mm⁴
Elastic section modulusSx
2,20010³ mm³
Plastic section modulusZx
2,46010³ mm³
Radius of gyrationrx
178mm

Weak axis y–y

Moment of inertiaIy
57.410⁶ mm⁴
Elastic section modulusSy
44110³ mm³
Plastic section modulusZy
67410³ mm³
Radius of gyrationry
62.7mm

Torsion and stability

Torsional constantJ
1,49010³ mm⁴
Warping constantCw
2,31010⁹ mm⁶
Effective radius of gyrationrts
72.4mm

Slenderness ratios

Flange slendernessbf/2tf
6.77
Web slendernessh/tw
31.2

Equivalents in other standards