ISMB – medium beams

ISMB 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 = 100d = 200tf = 10tf = 10tw = 5.7tw = 5.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
200mm
Flange widthbf
100mm
Web thicknesstw
5.7mm
Flange thicknesstf
10mm
Root radiusr1
11mm
Toe radiusr2
5.5mm

Mass and area

Mass per lengthm
24.19kg/m
Cross-sectional areaA
3,082mm²
Published area (standard)A pub.
3,080mm²
Outside perimeterP
743.7mm

Strong axis x–x

Moment of inertiaIx
21.1510⁶ mm⁴
Elastic section modulusSx
211.510³ mm³
Plastic section modulusZx
240.410³ mm³
Radius of gyrationrx
82.83mm

Weak axis y–y

Moment of inertiaIy
1.36710⁶ mm⁴
Elastic section modulusSy
27.3510³ mm³
Plastic section modulusZy
46.0110³ mm³
Radius of gyrationry
21.06mm

Equivalents in other standards