ISMB – medium beams

ISMB 225

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 = 110d = 225tf = 11.8tf = 11.8tw = 6.5tw = 6.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
225mm
Flange widthbf
110mm
Web thicknesstw
6.5mm
Flange thicknesstf
11.8mm
Root radiusr1
12mm
Toe radiusr2
6mm

Mass and area

Mass per lengthm
31.18kg/m
Cross-sectional areaA
3,972mm²
Published area (standard)A pub.
3,970mm²
Outside perimeterP
827.8mm

Strong axis x–x

Moment of inertiaIx
34.4210⁶ mm⁴
Elastic section modulusSx
305.910³ mm³
Plastic section modulusZx
348.310³ mm³
Radius of gyrationrx
93.09mm

Weak axis y–y

Moment of inertiaIy
2.18310⁶ mm⁴
Elastic section modulusSy
39.6910³ mm³
Plastic section modulusZy
66.3210³ mm³
Radius of gyrationry
23.44mm

Equivalents in other standards