IR – wide flange (ASTM A6 W)

IR 690x217

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 = 356d = 696tf = 24.8tf = 24.8tw = 15.4tw = 15.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
696mm
Flange widthbf
356mm
Web thicknesstw
15.4mm
Flange thicknesstf
24.8mm
Distance k (design)kdes
44.7mm
Distance k (detailing)kdet
55.6mm
Distance k1k1
38.1mm
Web clear depthT
584mm
Distance between flange centroidsho
671mm

Mass and area

Mass per lengthm
217kg/m
Cross-sectional areaA
27,900mm²

Strong axis x–x

Moment of inertiaIx
2,36010⁶ mm⁴
Elastic section modulusSx
6,78010³ mm³
Plastic section modulusZx
7,60010³ mm³
Radius of gyrationrx
292mm

Weak axis y–y

Moment of inertiaIy
18410⁶ mm⁴
Elastic section modulusSy
1,04010³ mm³
Plastic section modulusZy
1,60010³ mm³
Radius of gyrationry
81.3mm

Torsion and stability

Torsional constantJ
4,70010³ mm⁴
Warping constantCw
20,70010⁹ mm⁶
Effective radius of gyrationrts
95.5mm

Slenderness ratios

Flange slendernessbf/2tf
7.16
Web slendernessh/tw
39.4

Equivalents in other standards