Indian Standard Bulb Angle

ISBA 275_1 ( Indian Standard Bulb Angle )

Bulb Angle

Weight / meter

40.90 kg/m

90.16814 lbs/m

Weight / feet

12.46632 kg/ft

27.4835321 lbs/ft

Property	Value
Name	ISBA 275_1
Common Name	Indian Standard Bulb Angle 275
Angle Type	E
Size (h)	275
Size (b)	90
Size (hxb)	275x90
Thickness (t _w)	12.00 mm
Thickness (t _f)	12.00 mm
Sectional Area (a)	52.13 cm²
Weight (w)	40.90
Centre of Gravity (C _xx)	13.54 mm
Centre of Gravity (C _yy)	1.80 mm
Distance of Extreme Fibre (E _xx)	13.96 mm
Distance of Extreme Fibre (E _yy)	7.21 mm
tan α	0.060

Property	Value
Moment of Inertia (I _xx)	5161.90 cm⁴
Moment of Inertia (I _yy)	213.00 cm⁴
Moment of Inertia (I _uu)	5178.00 cm⁴
Moment of Inertia (I _vv)	197.00 cm⁴
Radius of Gyration (R _xx)	9.95 cm
Radius of Gyration (R _yy)	2.02 cm
Radius of Gyration ( R_uu)	9.97 cm
Radius of Gyration ( R_vv)	1.94 cm
Modulus of Section (Z _xx)	369.70 cm³
Modulus of Section (Z _yy)	29.60 cm³
Radius at Root (R ₁)	13.50 mm
Radius at Toe (R ₂)	6.50 mm
Radius at Corners (R ₃)	11.00 mm
Slop of Flange (D)	36.00 mm

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Bulb Angle

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