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Case Study - 3: Under Deposit Corrosion |
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| Type of Failure | Under deposit corrosion |
| Material | Carbon Steel |
| Time to Failure | 3 Years
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| Environment | Hydrocarbons, moisture, CO2 |
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| Observation |
Dirt, solids, loose corrosion products
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| Comments | Areas under the deposits were observed to be highly susceptible to
corrosion attacks while deposit free surfaces were free from attack. |
| Remedy |
Replace carbon steel tubes by high alloy tube. Use inhibitors and chemical agents which may dissolve the deposits. |
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