ISWB – wide-flange beams

ISWB 200 (52.1)

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 = 152d = 203tf = 16.5tf = 16.5tw = 8.9tw = 8.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203mm
Flange widthbf
152mm
Web thicknesstw
8.9mm
Flange thicknesstf
16.5mm
Root radiusr1
15.5mm
Toe radiusr2
7.6mm

Mass and area

Mass per lengthm
52.13kg/m
Cross-sectional areaA
6,641mm²
Published area (standard)A pub.
6,640mm²
Outside perimeterP
930.4mm

Strong axis x–x

Moment of inertiaIx
47.7610⁶ mm⁴
Elastic section modulusSx
470.510³ mm³
Plastic section modulusZx
53910³ mm³
Radius of gyrationrx
84.8mm

Weak axis y–y

Moment of inertiaIy
8.09910⁶ mm⁴
Elastic section modulusSy
106.610³ mm³
Plastic section modulusZy
175.310³ mm³
Radius of gyrationry
34.92mm

Equivalents in other standards