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RAIL
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You will find detailed information on JFE's
railroad rails in this catalog, including technical
and dimensional data. This information should
help you select the rails best suited to your
specific needs. JFE Rails are produced in the
shape mill at our West Japan Works. Their high
quality reflects the superior manufacturing
processes and quality control systems that we
have developed during more than nine decades
of steelmaking.
The rails' super-clean materials are produced
with a combination of desulfurizing, degassing
and continuous casting processes for improving
7/27/2019 Rail Standard1832013
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contact fatigue properties. And their quality is
assured by the rigorous controls of UST, ECT
and other systems.
Along with the super-clean standard carbon
rails, our head-hardened rails, JFE-SP and JFE-
THH, which are produced by our advanced on-
line heat treatment technologies, enjoy
favorable reception from worldwide heavy-haul
customers.
JFE rail manufacturing meets the specifications
of JIS, AREMA, UIC, BS, GB and other
internationally recognized standards.
We hope this information is helpful, and we
look forward to serving you.
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7/27/2019 Rail Standard1832013
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Torch cutting
Cooling Inspection(conditioning)
Storing
Breakdown millBD
Roughing millR1
furnace
Intermediate rolling millR2Finishing millF
Sawing and drilling machine Gag press
Surface flatness measuring device
Inspection
Marking and bundling
Marking
Finished products
Cooling bed
Continuous casting
ra-sonicchine
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BDBLoom R1
Forming sequenceContinuous casting bloom
Vacuum degassing
RH Type
Vacuumvessel
Droplet
Molten
Alloyelement
Ar
Evacuator
Gaseousphase
steelLadle
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R2 F
Rail rolling
Online heat-treatment equipment
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C
B
E
A
G
D
R
F
kg
kgN
kgN
kg
lbs
lbs
lbs
lbs-
lbs-
lbs-
lbs
kg
kg
lbsA
lbsR
lbsA
lbsA
lbsA
kg
kg
kg
kg
Japanese Industrial
Standards
JIS E 1101 2001
Specifications A
mm in.
B
mm in.
C
mm in.
D
mm in.
E
mm in.
F
mm
Dimensions
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Ameriican Railway
Engineering and
Maintenance-of-Way
Association
AREMA 2002
Chapter 4, Rail
International Unionof Railways
UIC 1986
British Standards
BS 11 1985
Chinese National
RailwaysGB 2585-81
Russian StandardsGOST
Note:1.
2.
denotes sections manufactured by JFE.
Requirements for dimensions and types other than those listed above are met subject to negotiation.
7/27/2019 Rail Standard1832013
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.
G
mm in.
R
mm in.
S
cm2 in.2I
cm4 in.4Zx
Head Base
Section modulusMoment ofinertia
Cross sectionalarea Weight
cm3 in.3Zx
cm3 in.3W
kg/m 1bs/Y
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7/27/2019 Rail Standard1832013
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63
R
R
R
R
R
2R
R
R
R
R
R
.
.
.
Approx..C
Approx..C
Approx..C
NA
.
R
Approx.60
R
RR
R
R
R
R
R
8
.
.
.
.
.
.
Approx.
Approx..C
R
.
Approx..C
NA
25
Approx..C
.R
.R
R
.
.R
.R
.R
.R
.R
.
.
.
.
.
.
.
.
.
.
Approx.4
.5
Approx.1.5C.
Approx.1.5C
NA
Approx.1.5C
R
.
.
R
R
R
R
R
R
R
R
R
R
.
.
.
.
Approx.1.5C
R
Approx.1.5C
NA
14
Approx.1.5C
Approx.50
7/27/2019 Rail Standard1832013
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159
.
1:20
1:20
49.4
105.7
79.4
30
.2
18
74.97
76.238.2
31.5
25.4
11
14.1
13.1
508R
508R
20R
22R
8R
80R
80R3
00R
300R
3R
2R
3R
16R
70 70
140
40
36.1
1:18
1:2.75
16
13R 13R
30.6
1:2.75
y
72.270
35 3568.649.8
19
x x x x
Y
172
116.5
31
.5
16.5
11.5
28.75
28.219.5
80.95
89.5
32
28.75
28.2
19.5
13.5
14.3
30
0R
30
0R
1:20 1:
20
37
.5
51
150
33
16.5
3R
13R 13R
16.5
33
2152
36 3670.6
7274.3
7537.15
75
2R
120R
7R40R
35R
120R
35R
7R
80R 80
R
4R
Y
7/27/2019 Rail Standard1832013
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35.561.40
49.2
1
11516
732
15.5
6
3(76.2)
1:14.3
31516
100.02
33495.25
111617.46
7116
179.3
9
114R31.75R
34 R19.05R
716R11.11R
38R9.53R
16R3.18R116R1.59R
34R19.05R
30.1
6
1316
NEUTRAL AXIS
3.20
(81.2
8)
1:4.011
6(152.4)
16R(406.4R)
8R(203.2R)
(203.2R)(406.4R)of 8R&16R
CL
10
R(25
4R)
10R(254R)
1:3
116
R
1.5
9R
38.1
112
44.4
134
3(76.2)
1
:40
4316
106.4
37898.4
213216.7
718181.0
114R31.8R
34R19.1R
516R7.9R
38R9.5R
16R3.2R116R1.59R
78
R
22
.22R
30.2
1316
NEUTRAL AXIS
3.2
0(81.3
)
1:4
6(15 2.4 )
16R(406.4R)
8R(203.2R)
8R(203.2R)
16R(406.4R)CL
10
R(25
4R)
10R(25
4R)
1:4
116
R
1.6
R
932
7.1
2213269
11116
42.8
31316
96.8
118
28
.6
512139.7
314
82.6
658
168.3
34
19.1
34 R19.1R
116R.R
34 R19.1R
111617.4
38 R(9.5R)
58(15.9)
116R
(1.6R)
114 31.8
112
R38.1R
2.98(75.7)
NEUTRAL AXIS
1:4
14R(355.6R)
14R(355.6R)
10R(254R)
10R(254R)
3R(76.2R)
1:40
1:4
approx.211652.39
13132
50.01
9327.1
1:40
4316
106.3
1316
30.1
37898.4
111417.4
71132
186.5
3
2151674.6
34R19.1R
516R7.9R
R916
R1
4.29
18R3.2R116R1.6R
34R
19
.1R
NEUTRAL AXIS
3.3
47(85)
1:4
20R(508R)
8R(203.2R)
R4
R(101
.60)
1:4
516R7.9R
6(152.4)
8R(203.2R)
20R(508R)CL
7/27/2019 Rail Standard1832013
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1.2531.8
11516
49.2
9327.1
1:40
4316
106.3
1316
30.1
37898.4
111417.4
7516
185.7
916R14.3
R
2151674.6
34R19.1R
516R7.9R
14R
31.8
R
18R3.2R116R1.6R
34R
19
.1R
NEUTRAL AXIS
3.3
47(85)
1:4
20R(508R)
8R(203.2R)
1
0
R(254R)
10R(254R)
1:4
516R7.9R
6(152.4)
8R(203.2R)
20R(508R)CL
1.10428.04
11516
49.2
9327.1
1:40
4316
106.3
1316
30.1
37898.4
111417.4
7516
185.7
916R14.29R
38R9.53R
2151674.61
34R19.1R
516R7.9R
1
3
4R44.45R
18R3.2R116R1.6R
34R
19
.1R
NEUTRAL AXIS
3.3
47(85)
1:4
20R(508R)
8R(203.2R)
8
R(203
.2R)
1:4
516R7.9R
6(152.4)
8R(203.2R)
20R(508R)CL
1:4
8R&20R
WEB
31/16(77.8)
37/8(98.4)
77/16(188.9)
31/4(82.6)
25/32(54.8)
7/32(5.6)
5/16R(7.9R)
11/16(17.5)
9/16R(14.3R)
5/16R(7.9R)
1/8R(3.2R)113/16
(30.2)
43/32(104)
1/16R(1.6R)
3/4R(19.1R)
20R(508R)
3/4R(19.1R)
8R(203.2R)
1.1023()
6(152.4)
5
1.75R
44
.5R)
8
R(203
.2R)
8R(203.2
R)
1:3
7/27/2019 Rail Standard1832013
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/.
/.
/.
/.
/. /.
1/16R.
/.
/R.
/R./R
.
/R.
/R.
/.
/.
web R.
R.
/R.
1/6.
/.
.
lin
CL
1
.
./
./
./
./
./
./
Parallel sides
Parallel
.rad.
.rad./
.rad./
.rad.
.rad.//
.rad./
./
.rad.
/
./
/.
/.
/.
/.
/.
/.
/.
/.
/R.R
/R.R
/R.R
/.
/.
/R.R
/R.R
/R.R
/R.R
.R/R
R.R
.
web R.R
CL
.
7/27/2019 Rail Standard1832013
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0/12.
/.
/.
/.
/.
.
/.
/.R
/.
/.
/R.R
/R.R
/R.R
/.
.R/R.R
/R
/R.R
/R.R
/R.RR.R
web R.R
CL
.
.
/.
/.
.
/.
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.
/.
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/./.
/.
/R.R
/R.R
/R.R
/R.R
/R.R
/R.
/R.R
/R.R
/R.RR
.R
web R.RCL
.
.
7/27/2019 Rail Standard1832013
18/39
.
R.
R.
R.
R.
R.
R.
R.
R.
R.R.
.
.
.
.
.
.
.
.
.
.
.
. NEUTRAL AXIS
Approx.C.
Approx.C.
C.L OF BOLT HOLE
Approx.C.
.
Approx.C.
.
.
R.
R.
R.
.
.
.
.
.
.
.
.
.
.
. NEUTRAL AXIS
Approx. C.
Approx.C.
C.L OF BOLT HOLE
R.
R.R.
R.
R.
R.R.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.. .
NEUTRAL AXIS
Approx. C.
C.L OF BOLT HOLE
R.
R
R
RR
RR
R
R
R
R
R
R
R
3
7/27/2019 Rail Standard1832013
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75.00
49.10
20.00
45.0
0
97.50
180.00
105.00
8.13
30.00
1:20
1:4
1:4
R25
29.6
150.00
12.0
18.00
10.8
R400
R25
R4
R2
11.2 22.
6 44.5
NEUTRAL AXIS
CENTER LINE
R15
R
R37030
0.1
1.7
15.7
35.6
40
.1
41.9
50.8
R500
R80
R3
R15
19.6
16.4
36.5
7/27/2019 Rail Standard1832013
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115 lbs/Yd
and over
kg
kgN
kgN
kg
Japanese Industrial
Standards
JIS E 1101 2001
Specifications ClassificationC Si Mn P
Chemical composition %
..
.max.
.max.
.max.
.max.
.max.
.max.
.max.
.max.
.max.
.max.
.max.
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
American Railway
Engineering and
Maintenance-of-Way
Association
AREMA 2002
Chapter 4, Rail
Grade 700
Grade 900A
Grade 900B
Grade 1100*
A
B
A
B
A
B
A
B
Normal
1
2
3
U74
U71 Mn
Wear-
resisting
International Union
of RailwaysUIC 1986
British Standards
BS 11 1985
Chinese National
Railways
GB 2585-81
ISO 5003 1980
Note Other element : Cr 0.801.30
Requirements for dimensions and types other than those listed above are met subject to negotiation.
7/27/2019 Rail Standard1832013
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SN/mm2(kgf/mm2)
Tensile strength
%
Elongation
Tensile properties Hardness properties
Brinell hardnessHB
mm Surface of rail head Cross section of rail head
Test piece
max.
max.
max.
max.
max.
.max.
.max.
.max.
max.
max.
max.
max.
min.
min.
min.
min.
min.
min.
min.
min.
min.Dia.=
G.L.=
Dia.=
G.L.=
Dia.=G.L.=
Dia.=/in
G.L.=in
Dia.=
G.L.=d
Dia.=.
G.L.=. So
min.
min.
7/27/2019 Rail Standard1832013
22/39
Our advanced on-line heat-treatment technologies make the head-hardened region of JFE-
SP and JFE-THH rail thick and uniform.
Optimal alloy designing and processing bring about the outstanding wear-resistance of
JFE-SP and JFE-THH rail.
JFE-SP and JFE-THH have excellent weldability in flash-butt and Thermite welding.
JFE-SP and JFE-THH rails offer consistent quality accomplished by our super-clean
steelmaking technology, advanced on-line heat-treatment technique and rigorous
inspection system.
The excellent resistance to wear and rolling contact fatigue damage of JFE-SP and JFE-
THH rails will greatly contribute to reduce the cost of maintenance and replace.
7/27/2019 Rail Standard1832013
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SP
SPA
THH 370N
THH 370A
THH 340HH340
Grade Hardness of head top(HB)
SP
SPA
THH 370N
THH 370A
THH 340HH340
Grade C
..
..
..
..
..
Si
..
..
..
..
..
Mn
..
..
..
..
..
P
. max.
. max.
. max.
. max.
. max.
S
. max.
. max.
. max.
. max.
. max.
Cr
. max.
..
. max.
..
. max.
Otherseach
. max.
. max.
. max.
. max.
. max.
wt %
7/27/2019 Rail Standard1832013
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Hardness measurement points on the top of rail head
SP
SPA
THH 370N
THH 370A
Grade C
.
.
.
.
Si
.
.
.
.
Mn
.
.
.
.
P
.
.
.
.
S
.
.
.
.
Cr
.
.
.
.
V
.
.
.
.
wt %
SP
SPA
THH 370N
THH 370A
Grade HB
Remarks
mean value for 6 testssee the bottom figure
SP
SPA
THH 370N
THH 370A
.
.
.
.
Grade. Yield Strength
N/mm2(ksi)
Tensile StrengthN/mm2 (ksi)
Elongation %
1/2"
1/2"
.m .m
.m
.m.m.m.m.m
Surface hardness on the top of rail head
Diameter=1/2"Gauge length=2"
7/27/2019 Rail Standard1832013
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Distance from Head Surfacemm
. . . . . .. .. . . .
C-O
E-O
THH370N
Distance from Head Surfacemm
. . . . . .. .. . . .
C-O
E-O
S P
Distance from Head Surfacemm
. . . . . .. .. . . .
C-O
E-O
THH370A
Distance from Head Surfacemm
. . . . . .. .. . . .
C-O
E-O
SPA
O
CE
HVHB
HVHB
HVHB
HVHB
7/27/2019 Rail Standard1832013
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LoadSlipLubricationTest time
Nkgf-%dry2 hours
SP THH 370N
SPA THH 370A
::::
Wear by rollingcontact test
SP
THH
.
.
.
.
.
Hardness HV
StandardCarbon rail
Pearlitic microstructure
SP
SPA
THH370N
THH370A
Weightloss
(g)
mm
HB rpm
Tire sample
rpm
Rail sample
Measurement point of microstructure
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Measuring position
1 22
6
7
8
6
7
8
12 1111 1010
99
33
44
55
Distance from Weld Centermm
- - - - -
Distance from Weld Centermm
- - - - -
SP, SPA
THH370N, THH370A
SP
SPA
THH370NTHH370A
WebHead Base
N/mm
-
-
ResidualStress
in
LongitudinalDirection
THH
SP
mm
.in
Measuring position
HVHB
HVHB
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THH 340HH340
Grade C
.
Si
.
Mn
.
P
.
S
.
Cr
.
V
.
wt %
THH 340HH340
.
Grade. Yield Strength
N/mm2 (kgf/mm2)
.
.
Tensile StrengthN/mm2 (kgf/mm2)
Elongation %
THH 340HH340
Grade HSC
Remarks
mean value for 6 testssee the bottom figure
Surface hardness on the top of rail head
Hardness distribution
Hardness measurement points on the top of rail head
mm
mm
.m .m
.m
.m.m.m.m.m
Diameter=mmGauge length=mm
Distance from head Surfacemm
OHV
HB
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LoadSlip
Nkgf-%
::
LubricationTest time
dry2 hours
::
Wear by rolling contact test
THH340HH340
.
.
.
.
.
Hardness HV
StandardCarbon rail
Pearlitie microstructure
THH370N
THH370A
THH340HH340
Weightlossdueabrasiongat50
10
4(cycles)
HB rpm
Tire sample
rpm
Rail sample
Measurement point of
microstructure
mm
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Measuring position
1 22
6
7
8
6
7
8
12 1111 1010
99
33
44
55
Distance from Weld Centermm
- - - - -
HAZ
N/mm kgf/mm
ResidualStress
in
Longitudin
alDirection
mm.in
HBHV
WebHead Base
-
-
-
-
Measuring position
7/27/2019 Rail Standard1832013
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JFE Current Transmission Rails are assured by strict quality control of chemical
composition during steel manufacture.
Uniformity of steel quality is made possible by JFE's special technology for minimizing
segregation.
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This specification covers rails used in the transmission of
current for electric trains(hereinater referred to as the "rails").
The appearance of the rails shall be as follows:
The rails shall be of uniform contour along their entire
length and free from flaws, twists, and other defects.
The rails cut surface shall have no evidence of pipe marksor other harmful internal defects.
The rail ends shall be cut at right angles to the longitudinal
direction and burrs left on the cut surface shall be removed.
The chemical composition of the rails shall conform to the
ladle analysis and its values to Table 1.
The chemical analysis shall be in sccordance with JIS.
The rail samples obtained at the rate of one from each steel
heat shall tested for electric resistance in the manner set
forth in the annex "Method of Determining the Electric
Resistance of Current Transmission Rails". If the requirements
of paragraph 2.2 have been satisfied in the test, all rails
manufactured from the said heat shall be accepted.
To define their material characteristics, the rails shall undergo
for reference the mechanical test set forth in Table 3.
Electric resistance of the rails, at 20 deg C, shall be less than
7.2 taimes that of the same volume of international standard
mild copper.
Chemical Composition, %
P
. max.
Mn
. max.
C
. max.
Cu
. max.
S
. max.
Table 1.
Item
Length
Height of rail
Width of head and web
Width of base
Rail squareness
Tolerance
.
.
+.
+.
-.
-.
Table 2.
The shapes, dimensions and standard weights shall be as
follows:
The ahapes and sectional dimensions of the rails shall
conform to the annexed drawings, JIS E 1101"Standard
Rails".
The standard length of the rails shall be 15m. The following
smaller lengths may, however, be used up to 10% of the
entire quality ordered:
10m, 11m, 12m, 13m, 14mThe standard weight of the rails shall be provided for in JIS
E 1101"Standard Rails".
Dimensional tolerances for the rails, at 20 deg C, shall be
as given in Table 2.Unit : mm
Test Item
Yield strength
Tensile strength
Elongation,
Reduction of area
Hardness test HB
Modulus of elasticity
Coefficient of expansion
Number of Pieces Tested
1 piece per heat
1 piece per heat
1 piece per lot
1 piece per lot
Table 3.
Result sheets of the various tests set forth in 6 shall be
prepared and furnished to the users.
One side of the rail web shall be embossed, as shown by
example below, with an arrow mark for the head direction of
ingot during rolling, a symbol for the type of rail, a symbol
for the type of steel furnace, the name or recognized
symbol of the manufacturer, the date of manufacture, etc.
These must be legible as long as the rail is in use.
The other side of the web, meanwhile, shall be stamped, as
shown by example below, with an indicationTR, a heat
number, a symbol for the order of rail rolled from the ingot,etc.
The end surface of the rails shall be painted orange.
Entire text omitted of the annex "Method of Determining the
Electric Resistance of Current Transmission Rails"
N LD JFE
04
Rail letter
Y3
Ingot number
B
Work gang
identification
TR
Indication for
transmission
rail
74816
Heat number
Tensile
test
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Arrow mark to indicate direction oftop of bloom or ingot
N LD JFE
Rail typeSteelmaking furnace type
Month rolled
Year rolledManufacturer
Number of strand
C A C
Serial number of rail
Serial number of cast bloom
Heat number
Carbon content
Work gang identification
7/27/2019 Rail Standard1832013
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Weight
RE VT JFE llll
Section
Method of hydrogen elimination
Month rolled
Year rolledManufacturer
Kind of rail(SP=SP rail, SPA=SPA rail, TH=THH rail, THA=THHA rail
Heat number
Serial number of rail
Serial number ofcast bloom
Number of strand
7/27/2019 Rail Standard1832013
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N
.
.
.-
. -
.
.-
.-
.
kip=lbf
.
.
.
.
kgf kip tonf
N/mm2MPa
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
kip/in2=ksi=psi psi=lbf/in2
R= D= Sin-1Degree
.
.
.
kgf/mm2kbar kip/in2 tonf/in2
J
.
.
.
.
.
.
kgf-m ft-lbf
Degree of Curve Radius of Curve
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.D
Rft
= Sin-1 .
Rm
HV HBS HRC HSC TS N/mm2kgf/mm2
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
HV
HB
HRC
HSC
Vicker Hardness
Brinell Hardness
Rockwell Hardness
Shore Hardness
Load kgf
mm BallLoad kgf
C-Scale
Load kgf
diamond cone
7/27/2019 Rail Standard1832013
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F F- - - - -
-
-
-
-
-
-
-
-
-
F
F
-.
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C C- - - - -
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F=+ C
C= F-
7/27/2019 Rail Standard1832013
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Dimension and Weight
Grade
Specification or Standard
Length and Quantity
Drilling
Marking and Bundling
Delivery Date
7/27/2019 Rail Standard1832013
38/39
7/27/2019 Rail Standard1832013
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Cat.No.D1E-001-00
http://www.jfe-steel.co.jp/en/
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