ISLB – light beams

ISLB(P) 175

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 = 80d = 175tf = 7.7tf = 7.7tw = 5.2tw = 5.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
175mm
Flange widthbf
80mm
Web thicknesstw
5.2mm
Flange thicknesstf
7.7mm
Root radiusr1
9.5mm
Toe radiusr2
3mm

Mass and area

Mass per lengthm
16.58kg/m
Cross-sectional areaA
2,112mm²
Published area (standard)A pub.
2,110mm²
Outside perimeterP
624.7mm

Strong axis x–x

Moment of inertiaIx
10.6410⁶ mm⁴
Elastic section modulusSx
121.610³ mm³
Plastic section modulusZx
139.710³ mm³
Radius of gyrationrx
70.98mm

Weak axis y–y

Moment of inertiaIy
0.547210⁶ mm⁴
Elastic section modulusSy
13.6810³ mm³
Plastic section modulusZy
23.2910³ mm³
Radius of gyrationry
16.1mm

Equivalents in other standards