ISMB – medium beams

ISMB 175

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 = 85d = 175tf = 9tf = 9tw = 5.8tw = 5.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
175mm
Flange widthbf
85mm
Web thicknesstw
5.8mm
Flange thicknesstf
9mm
Root radiusr1
10mm
Toe radiusr2
5mm

Mass and area

Mass per lengthm
19.52kg/m
Cross-sectional areaA
2,487mm²
Published area (standard)A pub.
2,480mm²
Outside perimeterP
639.3mm

Strong axis x–x

Moment of inertiaIx
12.6210⁶ mm⁴
Elastic section modulusSx
144.310³ mm³
Plastic section modulusZx
165.810³ mm³
Radius of gyrationrx
71.25mm

Weak axis y–y

Moment of inertiaIy
0.766710⁶ mm⁴
Elastic section modulusSy
18.0410³ mm³
Plastic section modulusZy
30.5810³ mm³
Radius of gyrationry
17.56mm

Equivalents in other standards