IR – wide flange (ASTM A6 W)

IR 1000x642

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 = 411d = 1,050tf = 59.9tf = 59.9tw = 34tw = 34
Cross-section, to scaledimensions in mm

Dimensions

Depthd
1,050mm
Flange widthbf
411mm
Web thicknesstw
34mm
Flange thicknesstf
59.9mm
Distance k (design)kdes
89.9mm
Distance k (detailing)kdet
92.1mm
Distance k1k1
47.6mm
Web clear depthT
864mm
Distance between flange centroidsho
988mm

Mass and area

Mass per lengthm
642kg/m
Cross-sectional areaA
81,900mm²

Strong axis x–x

Moment of inertiaIx
14,50010⁶ mm⁴
Elastic section modulusSx
27,70010³ mm³
Plastic section modulusZx
32,10010³ mm³
Radius of gyrationrx
422mm

Weak axis y–y

Moment of inertiaIy
70310⁶ mm⁴
Elastic section modulusSy
3,41010³ mm³
Plastic section modulusZy
5,37010³ mm³
Radius of gyrationry
92.7mm

Torsion and stability

Torsional constantJ
73,70010³ mm⁴
Warping constantCw
171,00010⁹ mm⁶
Effective radius of gyrationrts
112mm

Slenderness ratios

Flange slendernessbf/2tf
3.44
Web slendernessh/tw
25.5

Equivalents in other standards