IR – wide flange (ASTM A6 W)

IR 530x138

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 = 214d = 549tf = 23.6tf = 23.6tw = 14.7tw = 14.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
549mm
Flange widthbf
214mm
Web thicknesstw
14.7mm
Flange thicknesstf
23.6mm
Distance k (design)kdes
36.3mm
Distance k (detailing)kdet
41.3mm
Distance k1k1
23.8mm
Web clear depthT
467mm
Distance between flange centroidsho
526mm

Mass and area

Mass per lengthm
138kg/m
Cross-sectional areaA
17,600mm²

Strong axis x–x

Moment of inertiaIx
86210⁶ mm⁴
Elastic section modulusSx
3,15010³ mm³
Plastic section modulusZx
3,62010³ mm³
Radius of gyrationrx
221mm

Weak axis y–y

Moment of inertiaIy
38.710⁶ mm⁴
Elastic section modulusSy
36210³ mm³
Plastic section modulusZy
56910³ mm³
Radius of gyrationry
46.7mm

Torsion and stability

Torsional constantJ
2,51010³ mm⁴
Warping constantCw
2,67010⁹ mm⁶
Effective radius of gyrationrts
56.9mm

Slenderness ratios

Flange slendernessbf/2tf
4.53
Web slendernessh/tw
32.3

Equivalents in other standards