ISJB – junior beams

ISJB 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 = 50d = 175tf = 4.8tf = 4.8tw = 3.2tw = 3.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
175mm
Flange widthbf
50mm
Web thicknesstw
3.2mm
Flange thicknesstf
4.8mm
Root radiusr1
5mm
Toe radiusr2
1.5mm

Mass and area

Mass per lengthm
8.033kg/m
Cross-sectional areaA
1,023mm²
Published area (standard)A pub.
1,020mm²
Outside perimeterP
523.4mm

Strong axis x–x

Moment of inertiaIx
4.76610⁶ mm⁴
Elastic section modulusSx
54.4710³ mm³
Plastic section modulusZx
63.8110³ mm³
Radius of gyrationrx
68.25mm

Weak axis y–y

Moment of inertiaIy
0.0837510⁶ mm⁴
Elastic section modulusSy
3.3510³ mm³
Plastic section modulusZy
5.82810³ mm³
Radius of gyrationry
9.047mm

Equivalents in other standards