ISWB – wide-flange beams

ISWB 150

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 = 100d = 150tf = 7tf = 7tw = 5.4tw = 5.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
150mm
Flange widthbf
100mm
Web thicknesstw
5.4mm
Flange thicknesstf
7mm
Root radiusr1
8mm
Toe radiusr2
4mm

Mass and area

Mass per lengthm
16.99kg/m
Cross-sectional areaA
2,164mm²
Published area (standard)A pub.
2,160mm²
Outside perimeterP
649.7mm

Strong axis x–x

Moment of inertiaIx
8.35510⁶ mm⁴
Elastic section modulusSx
111.410³ mm³
Plastic section modulusZx
126.510³ mm³
Radius of gyrationrx
62.14mm

Weak axis y–y

Moment of inertiaIy
0.884210⁶ mm⁴
Elastic section modulusSy
17.6810³ mm³
Plastic section modulusZy
30.7210³ mm³
Radius of gyrationry
20.21mm

Equivalents in other standards