Corrosion Coupon is essential tools in the field of industrial pipeline testing. Offered by EMT Pigging, these coupons provide a reliable, quantitative estimate of the corrosion rates within operating systems and also give a visual indicator of the type of corrosion affecting the system. These tools are crucial for maintaining pipeline integrity and ensuring efficient operation over time.

1. Key Attributes and Specifications

Product Name: Metal Corrosion Coupon For Pipeline Testing

Brand Name: EMT Pigging

Material Options:

• Stainless Steel 304
• Stainless Steel 316
• DSS F51
• Carbon Steel A105N
• Inconel 625

These materials are chosen for their ability to replicate the conditions within the pipeline while withstanding corrosive substances, ensuring that the coupons provide a true reflection of the environment.

Size and Design:

• Standard Strip Coupon: Measures 3″ x 3/4″ x 1/16″ (76.2mm x 19.0mm x 3.2mm) with two mounting holes and an exposed surface area of 4.65 in² (3,000mm²).
• Multihole Strip Coupon: Designed for use with low pressure access systems, measures 3″ x 1/2″ x 1/16″ (76.2mm x 19.0mm x 3.2mm) with an exposed surface area of 2.65 in² (1,709mm²).
• Disc Coupon: Typically used in stacked monitoring applications, each disc measures Ø 1.25″ x 1/16″ (Ø 31.8mm x 3.2mm) with an exposed surface area of 2.65 in² (1,709mm²).

2. Features:

Easy Operation

Corrosion coupons are specifically designed for straightforward installation and minimal operational handling, making them exceptionally user-friendly. Their simple design allows for easy placement and retrieval from pipelines without requiring specialized training or tools. This user-friendly attribute ensures that even personnel with limited technical expertise can effectively use the coupons, making routine monitoring tasks less cumbersome and more efficient. The straightforward nature of the coupons also minimizes the risk of improper installation, which can affect data accuracy.

High Accuracy and Long Life

The corrosion coupons provided by EMT Pigging are engineered to deliver precise measurements of corrosion rates within pipeline systems. Manufactured from materials such as Stainless Steel 304, 316, Duplex Stainless Steel, Carbon Steel, and Inconel 625, these coupons mimic the internal conditions of the pipelines they monitor. This material selection ensures that the coupons react to corrosive elements in a manner similar to the pipeline, providing accurate and reliable data on corrosion rates. The high-quality materials and manufacturing process also contribute to the coupons’ longevity, enabling them to withstand prolonged exposure to harsh pipeline environments without degrading. This durability ensures that each coupon can be used for extended periods before replacement is necessary, providing cost-effective longevity in monitoring applications.

High Efficiency and Low Cost

Corrosion coupons are an economical solution for ongoing corrosion monitoring, offering a perfect balance between cost-efficiency and operational effectiveness. The initial investment in these coupons is relatively low compared to other corrosion monitoring technologies, such as electronic probes or ultrasonic testing. Additionally, the low operational costs associated with their use—due to their simple installation and minimal maintenance requirements—make corrosion coupons a cost-effective option for many industries. Despite their low cost, these coupons do not compromise on performance. They provide essential data that helps pipeline operators and maintenance teams to identify potential issues early, plan maintenance schedules, and prevent costly pipeline failures, thus optimizing budget allocations and reducing unexpected expenditure on repairs.

3. Applications and Advantages

a. Applications:

Pipeline Systems Monitoring

Corrosion Coupon is extensively utilized within pipeline systems to monitor and evaluate corrosion levels. By installing these coupons in representative areas of the pipeline, operators can obtain accurate data on the corrosive conditions within the system. This information is instrumental in:

• Assessing Material Suitability. Determining whether the materials used for the pipeline and its components are adequate for the transported substances.
• Predicting Maintenance Schedules. Helping predict when maintenance should occur, which is crucial for preventing leaks and pipeline failures.
• Extending Infrastructure Lifespan. Providing data that helps in making informed decisions about protective coatings, material upgrades, and other corrosion protection strategies.

Other Critical Applications

Beyond pipeline systems and de-aerator systems, Corrosion Coupon is also indispensable in:

• Cooling Systems. Used in industrial cooling water systems to monitor the corrosion rates which can affect heat exchange efficiency and system longevity.
• Water Treatment Facilities. Critical in testing the corrosive effects of various treatments and ensuring that the facility’s pipelines remain free from corrosion damage.
• Oil and Gas Production. Deployed in both upstream and downstream operations to monitor the integrity of equipment exposed to corrosive hydrocarbons and byproducts.
• Chemical Processing Plants. Essential for ensuring that the aggressive environments found in chemical processing do not compromise the integrity of containment and transport systems.

b. Advantages:

• Lightweight and Flexible: Easy to handle and install, even in complex pipeline configurations.
• Effective Injection Efficiency: Ensures chemicals are introduced efficiently into the system for accurate testing.
• Accurate Location Tracking: Enables precise monitoring of corrosion impact at specific pipeline sections.

c. Certification and Packaging

• Certification: ISO9001 certified, ensuring compliance with international quality standards.
• Packaging: Corrosion coupons are packaged in lightweight, strong plywood cases that require no fumigation and ensure the integrity of the coupons during transit.

d. Selling Units and Delivery:

• Sold individually, with a packaging size of 10 x 4 x 2 cm and a gross weight of 1.000 kg per unit.
• EMT Pigging can supply up to 1000 sets per month, demonstrating significant production capacity.