|
Profile
|
Sectional Wt
kg/m
|
Standard Length
|
Mill
|
|
R -45
|
44.61
|
13m
|
Rail & Structural Mill,
Bhilai
|
|
R -52
|
51.89
|
13m
|
Rail & Structural Mill,
Bhilai
|
|
R -60
|
60.30
|
13m
|
Rail & Structural Mill,
Bhilai
|
Note: Rails of 26
m length can also be supplied
Specifications
|
Specification
|
Grade
|
Chemical
Composition
|
Mechanical
Properties
|
|
|
|
C%
|
M%
|
P% Max
|
S% Max
|
Si% Max
|
TS MPa
|
% Elong#
|
|
IRS- T12/ 96a
|
880
|
0.60-0.80
|
0.80-1.30
|
0.035
|
0.035
|
0.10-0.50
|
880 min
|
10.0
|
|
IRS T18 /86*
|
Med Min
|
0.40-0.65
|
0.80-1.45
|
0.060
|
0.060
|
0.03-0.30
|
860 min
|
10.0
|
|
Industrial Use Rails
|
0.60-0.85
|
0.80-1.40
|
0.055
|
0.055
|
0.10-0.50
|
840 min
|
10.0
|
|
High Conductivity Rails
|
0.11 max
|
0.30-0.50
|
0.050
|
0.050
|
0.04
|
|
|
a. For IRS:T-12/96 Hydrogen content
< 3 ppm and Al max 0.02%
# Min in 5.65 Ö
S0
*Also arising of grade 880 with respect to surface defect and
dimensions are also supplied in T-18
category as per Chemical composition of T-12 grade 880
Bhilai Steel Plant can
also produce rails as per specifications of the Union of International
Railways and other foreign specifications, like British Standard
or Japanese Industrial Standard, if sufficient orders are available.
Applications
|
Speed of train km/hr
|
Specification
|
Sectional Weight
kg/m
|
Unit Tensile Strength
|
Hydrogen Content
|
Test Certificate
|
|
> 50
|
IRS: T-12/ 96
|
52/ 60
|
90
|
< 3 ppm
|
Yes
|
|
30-50
|
IRS: T-18/ 86
|
52/ 60
|
|
|
Yes
|
|
< 30
|
IU
|
52/ 60
|
|
|
No
|