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Tube mill (Made in USA)
High temperature corrosion resistant Nickel based alloy tubes such as Incoloy, Inconel and various grades of stainless steel (S.S) tubes are manufactured by means of most mordern tube forming and welding mill, imported from USA.
FEATURES
- Clean inner surfaces free from drawing compounds.
- Close
tolerances on diameter and wall thickness.
- Small
tolerances on ovality.
- Smooth
surfaces.
- Uniform
meterial thickness.
EDDY CURRENT TESTING
With a view to ensure uniform and perfect welding of the tubes even before the tubes come out of the tube mill, they are tested by Eddy Current. The Eddy Current testing Unit is connected to the tube lengths whenever the weld is defective, the defective tube lengths are automatically cut off. Thus the "ELECTRONIC EYE" not only ensures the quality of the weld but also highlights defects if any in the raw meterials thereby avoiding human errors and ensuring a perfect quality of the final product i.e.tubes.
APPLICATIONS
Because
of the versatility of the Nickel based alloys and Chrome Nickel Steel alloys,
the tubes made from these alloys have a very extensive use in the industries,
list of which goes on increasing every day. Some of the industries where they
are widely used are as under:
- Aircraft
- Atomic Energy Establishments
- Chemicals and Fertilizers
- Dairies, Breweries, distilleries and sugar mills
- Electrical Heating Elements
- Glass
- Heat Exchanegers
- Pulp and Paper
- Pharmaceuticals
- Petrochemicals
-
Textiles
PRODUCT
INFORMATION
|
OUTSIDE
DIAMETER
|
WALL
THICKNESS
|
|||||||||
|
Inch
|
mm
|
mm
0.40
Inch 0.016" |
0.50
0.020" |
0.60
0.024" |
0.70
0.028" |
0.80
0.032" |
0.90
0.036" |
1.00
0.040" |
1.20
0.048" |
1.60
0.064" |
|
9/32
|
7.15
|
N/S
|
S
|
-
|
-
|
--
|
-
|
-
|
-
|
|
|
5/16
|
8.0
|
N/S
|
S
|
S
|
-
|
-
|
-
|
-
|
-
|
-
|
|
3/8
|
9.5
|
-
|
S
|
S
|
S
|
N/S
|
N/S
|
-
|
-
|
-
|
|
25/64
|
10.0
|
-
|
N/S
|
S
|
S
|
N/S
|
N/S
|
-
|
-
|
-
|
|
7/16
|
11.1
|
-
|
-
|
N/S
|
S
|
N/S
|
N/S
|
-
|
-
|
-
|
|
1/2
|
12.7
|
-
|
-
|
N/S
|
S
|
N/S
|
N/S
|
-
|
-
|
-
|
|
5/8
|
15.87
|
-
|
-
|
-
|
S
|
N/S
|
N/S
|
N/S
|
-
|
-
|
|
41/64
|
16.0
|
-
|
-
|
-
|
S
|
N/S
|
N/S
|
N/S
|
-
|
-
|
|
3/4
|
19.0
|
-
|
-
|
-
|
S
|
N/S
|
N/S
|
S
|
N/S
|
N/S
|
|
1
|
25.4
|
-
|
-
|
-
|
N/S
|
N/S
|
N/S
|
S
|
S
|
S
|
|
1-1/4
|
31.8
|
-
|
-
|
-
|
N/S
|
N/S
|
N/S
|
S
|
S
|
S
|
|
S-Standard
Sizes
|
N/S-Non-Standard
Sizes
|
|||||||||
|
Comparative
Properties of
Materials
|
|||||||||
|
Grade
TP |
C
max. |
Mn.
max. |
P
max. |
S
max. |
Si
max. |
Ni
|
Cr
|
Mo
|
Ti
|
|
304
|
0.080
|
2.00
|
0.040
|
0.030
|
0.75
|
8.00-11.00
|
18.00-20.00
|
-
|
-
|
|
304L
|
0.035
|
2.00
|
0.040
|
0.030
|
0.75
|
8.00-13.00
|
18.00-20.00
|
-
|
-
|
|
310
|
0.150
|
2.00
|
0.040
|
0.030
|
0.75
|
19.00-22.00
|
24.00-26.00
|
-
|
-
|
|
316
|
0.080
|
2.00
|
0.040
|
0.030
|
0.75
|
10.00-14.00
|
16.00-18.00
|
2.00-3.00
|
-
|
|
316L
|
0.035
|
2.00
|
0.040
|
0.030
|
0.75
|
10.00-15.00
|
16.00-18.00
|
2.00-3.00
|
-
|
|
316
Ti
|
0.080
|
2.00
|
0.040
|
0.030
|
1.00
|
11.00-14.00
|
16.05-18.05
|
2.25-3.00
|
5xC
min
|
|
321
|
0.080
|
2.00
|
0.040
|
0.030
|
0.75
|
9.00-13.00
|
17.00-19.00
|
-
|
5xC
min
|
|
430
|
0.120
|
1.00
|
0.040
|
0.030
|
0.75
|
-
|
16.50-18.00
|
-
|
6xC%
~ 0.75
|
|
409
|
0.080
|
1.00
|
0.045
|
0.045
|
1.00
|
0.50
|
10.50-11.75
|
-
|
-
|
|
Physical
Properties
|
|||||||
|
Grade
TP |
Tensile
Strength ksi (MPa) |
Yield
Strength ksi (MPa) |
Enlongation
in 2 inches%min |
Max.
Hardness
|
Thermal
conductivity Cal/Sec. Cm. °C. at Temp. range 20-500 °C |
Co-eeficient
of expansion x 106 Cm/Cm./°C
at Temp. range 20-870 °C
|
|
|
Brinnel
|
Rockwell
|
||||||
|
304
|
75(515)
|
30(205)
|
35
|
192
|
B
90
|
0.051
|
19.8
|
|
304L
|
70(485)
|
25(170)
|
35
|
192
|
B
90
|
0.051
|
19.8
|
|
310
|
75(515)
|
30(205)
|
35
|
192
|
B
90
|
0.044
|
18.8
|
|
316
|
75(515)
|
30(205)
|
35
|
192
|
B
90
|
0.042
|
19.3
|
|
316L
|
70(485)
|
25(170)
|
35
|
192
|
B
90
|
0.042
|
19.3
|
|
316
Ti
|
70(540)
|
30(205)
|
35
|
192
|
B
90
|
0.042
|
19.3
|
|
321
|
75(515)
|
30(205)
|
35
|
192
|
B
90
|
0.051
|
19.8
|
|
430
|
60(414)
|
35(241)
|
20
|
190
|
B
90
|
-
|
-
|
|
409
|
60(414)
|
30(207)
|
20
|
207
|
B
95
|
-
|
-
|
|
Stainless
Steel Tube Manufacturing Programme
|
||||||||||||
|
Wall
thickness
in mm |
0.5
|
0.6
|
0.7
|
0.8
|
1.0
|
1.2
|
1.6
|
2.0
|
2.6
|
3.0
|
3.2
|
3.6
|
|
O.D.
in mm |
Weight
in Kg/metre
|
|||||||||||
|
6.0
|
0.069
|
0.081
|
0.093
|
0.104
|
0.125
|
0.144
|
0.176
|
-
|
-
|
-
|
-
|
-
|
|
9.52
|
0.112
|
0.134
|
0.154
|
0.174
|
0.213
|
0.249
|
0.317
|
-
|
-
|
-
|
-
|
-
|
|
10.0
|
0.119
|
0.141
|
0.163
|
0.184
|
0.225
|
0.264
|
0.336
|
-
|
-
|
-
|
-
|
-
|
|
12.7
|
0.153
|
0.182
|
0.210
|
0.238
|
0.293
|
0.345
|
0.444
|
-
|
-
|
-
|
-
|
-
|
|
14.0
|
0.169
|
0.201
|
0.233
|
0.264
|
0.325
|
0.384
|
0.496
|
-
|
-
|
-
|
-
|
-
|
|
15.87
|
0.192
|
0.229
|
0.266
|
0.301
|
0.372
|
0.440
|
0.571
|
0.694
|
-
|
-
|
-
|
-
|
|
19.0
|
0.231
|
0.276
|
0.320
|
0.364
|
0.450
|
0.534
|
0.696
|
0.850
|
1.066
|
1.200
|
1.264
|
-
|
|
25.0
|
0.306
|
0.366
|
0.425
|
0.484
|
0.600
|
0.714
|
0.936
|
1.150
|
1.456
|
1.650
|
1.744
|
1.926
|
|
25.4
|
0.311
|
0.372
|
0.432
|
0.492
|
0.610
|
0.726
|
0.952
|
1.170
|
1.482
|
1.680
|
1.776
|
1.962
|
|
31.8
|
-
|
-
|
-
|
-
|
-
|
0.918
|
1.208
|
1.490
|
1.898
|
2.160
|
2.288
|
2.538
|
|
38.0
|
-
|
-
|
-
|
-
|
-
|
1.104
|
1.456
|
1.800
|
2.301
|
2.625
|
2.784
|
3.096
|
|
44.5
|
-
|
-
|
-
|
-
|
-
|
1.299
|
1.716
|
2.125
|
2.724
|
3.113
|
3.304
|
3.681
|
|
50.8
|
-
|
-
|
-
|
-
|
-
|
1.488
|
1.968
|
2.440
|
3.133
|
3.585
|
3.808
|
4.248
|
|
63.5
|
-
|
-
|
-
|
-
|
-
|
-
|
2.476
|
3.075
|
3.959
|
4.538
|
4.824
|
5.391
|
|
76.1
|
-
|
-
|
-
|
-
|
-
|
-
|
2.980
|
3.705
|
4.778
|
5.483
|
5.832
|
6.525
|
|
101.6
|
-
|
-
|
-
|
-
|
-
|
-
|
4.000
|
4.980
|
6.435
|
7.395
|
7.872
|
8.820
|
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