ISLB – light beams

ISLB 500

Standard: IS 808:2021Source: IS 808:2021 dimensions (BIS) — calculated properties, flange slope 98° (8°)
Tapered-flange sections; flange thickness measured at the quarter of the flange.
xybf = 180d = 500tf = 14.1tf = 14.1tw = 9.2tw = 9.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
500mm
Flange widthbf
180mm
Web thicknesstw
9.2mm
Flange thicknesstf
14.1mm
Root radiusr1
17mm
Toe radiusr2
8.5mm

Mass and area

Mass per lengthm
74.97kg/m
Cross-sectional areaA
9,550mm²
Published area (standard)A pub.
9,540mm²
Outside perimeterP
1,626mm

Strong axis x–x

Moment of inertiaIx
385.810⁶ mm⁴
Elastic section modulusSx
1,54310³ mm³
Plastic section modulusZx
1,77310³ mm³
Radius of gyrationrx
201mm

Weak axis y–y

Moment of inertiaIy
10.6410⁶ mm⁴
Elastic section modulusSy
118.210³ mm³
Plastic section modulusZy
206.710³ mm³
Radius of gyrationry
33.38mm

Equivalents in other standards