Cooling Water (CW) Corrosion and fouling are closely related and should be considered together. Critical factors in controlling both include: process and CW temperatures, heat flus, water velocity, type and quality of water (salt, brackish, fresh), and type of cooling system. When managing heat exchanger bundles, cooling water corrosion control is simply a matter of proper design, continuous maintenance of high quality water treatment, and proper operating practices. Corrosion in CW exchangers can manifest itself as general thinning, pitting, stress corrosion cracking, and microbiologically induced corrosion (MIC). Metallurgical upgrades may be necessary in some circumstances, especially where fluid velocities cannot be adequately controlled, process or CW temperatures are too high, or water chemistry is not good.

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Related Topics

• Amine Stress Corrosion Cracking (SCC)
• Ammonia Stress Corrosion Cracking
• Brittle Fracture
• Carburization
• Caustic Stress Corrosion Cracking (Caustic Embrittlement)
• Cavitation
• Chloride Stress Corrosion Cracking
• Corrosion Fatigue
• Corrosion Under Insulation (CUI)
• Cracking
• Decarburization
• Embrittlement
• Erosion Corrosion
• Fatigue (Material)
• Graphitization
• High Temperature Hydrogen Attack (HTHA)
• Hydrochloric (HCl) Acid Corrosion
• Hydrofluoric (HF) Acid Corrosion
• Hydrogen Blistering
• Hydrogen Embrittlement
• Hydrogen Induced Cracking (HIC)
• Hydrogen Stress Cracking
• Liquid Metal Embrittlement (LME)
• Metal Dusting
• Microbiologically Induced Corrosion (MIC)
• Naphthenic Acid Corrosion (NAC)
• Phosphoric Acid Corrosion
• Polythionic Acid Stress Corrosion Cracking (PASCC)
• Spheroidization (Softening)
• Stress Assisted Corrosion
• Stress-Oriented Hydrogen Induced Cracking (SOHIC)
• Sulfidation Corrosion
• Sulfuric Acid Corrosion
• Thermal Fatigue
• Vibration-Induced Fatigue
• Wet H2S Damage

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