ISMB – medium beams

ISMB 350

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 = 350tf = 14.2tf = 14.2tw = 8.1tw = 8.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
350mm
Flange widthbf
140mm
Web thicknesstw
8.1mm
Flange thicknesstf
14.2mm
Root radiusr1
14mm
Toe radiusr2
7mm

Mass and area

Mass per lengthm
52.37kg/m
Cross-sectional areaA
6,671mm²
Published area (standard)A pub.
6,670mm²
Outside perimeterP
1,184mm

Strong axis x–x

Moment of inertiaIx
136.310⁶ mm⁴
Elastic section modulusSx
77910³ mm³
Plastic section modulusZx
889.610³ mm³
Radius of gyrationrx
142.9mm

Weak axis y–y

Moment of inertiaIy
5.37710⁶ mm⁴
Elastic section modulusSy
76.8210³ mm³
Plastic section modulusZy
129.710³ mm³
Radius of gyrationry
28.39mm

Equivalents in other standards