ISLB – light beams

ISLB 600

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 = 210d = 600tf = 15.5tf = 15.5tw = 10.5tw = 10.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
600mm
Flange widthbf
210mm
Web thicknesstw
10.5mm
Flange thicknesstf
15.5mm
Root radiusr1
20mm
Toe radiusr2
10mm

Mass and area

Mass per lengthm
99.72kg/m
Cross-sectional areaA
12,703mm²
Published area (standard)A pub.
12,600mm²
Outside perimeterP
1,948mm

Strong axis x–x

Moment of inertiaIx
733.110⁶ mm⁴
Elastic section modulusSx
2,44410³ mm³
Plastic section modulusZx
2,81110³ mm³
Radius of gyrationrx
240.2mm

Weak axis y–y

Moment of inertiaIy
20.6910⁶ mm⁴
Elastic section modulusSy
19710³ mm³
Plastic section modulusZy
329.610³ mm³
Radius of gyrationry
40.35mm

Slenderness ratios

Flange slope used%
6.99

Equivalents in other standards