ISJB – junior beams

ISJB 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 = 60d = 200tf = 5tf = 5tw = 3.4tw = 3.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
200mm
Flange widthbf
60mm
Web thicknesstw
3.4mm
Flange thicknesstf
5mm
Root radiusr1
5mm
Toe radiusr2
1.5mm

Mass and area

Mass per lengthm
9.891kg/m
Cross-sectional areaA
1,260mm²
Published area (standard)A pub.
1,260mm²
Outside perimeterP
610.4mm

Strong axis x–x

Moment of inertiaIx
7.75210⁶ mm⁴
Elastic section modulusSx
77.5210³ mm³
Plastic section modulusZx
90.3910³ mm³
Radius of gyrationrx
78.44mm

Weak axis y–y

Moment of inertiaIy
0.145910⁶ mm⁴
Elastic section modulusSy
4.86210³ mm³
Plastic section modulusZy
8.48710³ mm³
Radius of gyrationry
10.76mm

Equivalents in other standards