Corrosion monitoring is important as it helps identify the rate, location as well as underlying corrosion causes. Through this monitoring, components of non-conforming alloy can be identified, as these are typically susceptible to hastened corrosion, which could lead to catastrophic failure.

Corrosion monitoring can offer great advantages in terms of safety management and preventive maintenance. Based on the data yielded by the monitoring, industries can make informed decisions not only on an object’s remaining life, but also on other life extension techniques and cost-effective measures to solve corrosion problems.

Corrosion rates limit the operational life of plants. Measuring corrosion rates as well as the rate of corrosion remedy makes possible the most affordable plant operation while cutting down the life cycle expenses related to the operation.

Advantages of corrosion monitoring includes:

• It provides an early warning when a damaging process situation exists which would result in failure caused by corrosion.
• It helps in the study of the correlation changes and its effects on the corrosiveness of a system.
• It can diagnose a specific corrosion problem and also identify the causes and parameters for controlling it like flow rate, temperature, pressure, and more.
• It evaluates the efficiency of certain corrosion control methods like optimal application determination and chemical inhibition.
• It provides management information according to a particular plant’s present conditions and maintenance requirements.

A range of corrosion monitoring techniques are available which includes:

• Electrical resistance (ER) Probes
• Bio-Chemical Probes
• Hydrogen penetration
• Corrosion coupons
• Linear polarization resistance (LPR) Probes
• Ultrasonic