|
Erosion
Properties of 13Cr and Duplex Stainless
Steel
|
13CR Duplex stainless steels have
improved erosion properties.
Effect of Flow velocity (Field
test results)
Average test conditions in
the DFT (Dynamic Field Tester) experiments
1 (Test duration: 3672h) and 2 (Test duration:
4493h |
Experiment
|
Internal
diameter (mm)
|
Gas flow
rate (m3/h)
|
Pressure
|
Temperature
|
Gas
velocity(m/s)
|
Flow
pattern
|
(psi)
|
(MPa)
|
(F)
|
(K)
|
1
|
52
|
9000
|
1960
|
13.8
|
190
|
361
|
17.6
|
Transition Annular
mist
|
27
|
9000
|
1917
|
13.5
|
190
|
361
|
66.6
|
Annular mist
|
20
|
9000
|
1775
|
12.5
|
188
|
360
|
131.4
|
Annular mist
|
15
|
9000
|
1661
|
11.7
|
188
|
360
|
250.5
|
Annular mist
|
2
|
52
|
7860
|
1755
|
12.1
|
181
|
355
|
10.6
|
Transition
|
27
|
7860
|
1726 |
11.9
|
175
|
352
|
39.7
|
Annular mist
|
20
|
7860
|
1598 |
11.1
|
175
|
352
|
78.2
|
Annular mist
|
15
|
7860
|
1406 |
9.9
|
171
|
350
|
157.1
|
Annular mist
|
|
 |
|
|
| Effect of flow velocity
on corrosion rate of 13Cr, SM13CRS-95,
DPI, and SM22Cr steels in the DFT experiments
1 and 2. |
|
|
|
|
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2006 Sumitomo Metals - Tubular Division. All rights
reserved.
|
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