ISWB – wide-flange beams

ISWB 200

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 = 140d = 200tf = 9tf = 9tw = 6.1tw = 6.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
200mm
Flange widthbf
140mm
Web thicknesstw
6.1mm
Flange thicknesstf
9mm
Root radiusr1
9mm
Toe radiusr2
4.5mm

Mass and area

Mass per lengthm
28.79kg/m
Cross-sectional areaA
3,668mm²
Published area (standard)A pub.
3,670mm²
Outside perimeterP
896.2mm

Strong axis x–x

Moment of inertiaIx
26.1310⁶ mm⁴
Elastic section modulusSx
261.310³ mm³
Plastic section modulusZx
293.210³ mm³
Radius of gyrationrx
84.4mm

Weak axis y–y

Moment of inertiaIy
3.03410⁶ mm⁴
Elastic section modulusSy
43.3510³ mm³
Plastic section modulusZy
75.2110³ mm³
Radius of gyrationry
28.76mm

Equivalents in other standards