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ac corrosion social

AC Corrosion Criteria: What It Is & How to Identify It

NACE SP21424-2018 establishes AC corrosion control criteria for cathodically protected pipelines based on time-weighted AC and DC current densities, with thresholds that vary depending on whether DC current density is controlled below 1 A/m².
Zerust vapor corrosion inhibitor

Vapor Corrosion Inhibitors

Vapor Corrosion Inhibitors (VCIs) protect metal surfaces by diffusing through confined spaces and forming a molecular barrier against moisture and oxygen. This guide covers VCI applications for pipelines and storage tanks, monitoring methods, relevant industry standards, and MATCOR’s partnership with Zerust® Oil & Gas.
ac mitigation video

AC Mitigation Video | Overview of Goals, Strategies and Materials

This nine-minute training video covers the goals, strategies, and materials used in pipeline AC mitigation. Topics include reducing fault condition current density, maintaining safe step and touch potentials below 15 volts, and using AC modeling to evaluate mitigated and unmitigated interference conditions.
ac modeling example

AC Modeling Introduction Video

This training video introduces AC modeling for pipelines affected by high voltage transmission line interference. It explains when a best-guess mitigation approach is appropriate versus when detailed computer modeling is warranted to evaluate induced voltage, fault current, and step and touch potential impacts.
cathodic protection video

CP Introduction Video

Created as an internal video to train employees, this video is great for anyone that wants to understand the basics of cathodic protection.
ac interference basics

AC Interference – Basic Theory | Video Training Course

This 16-minute AC interference training video covers three primary effects on buried pipelines: the 15-volt safety threshold, fault condition interactions including conductive coupling, and AC induced corrosion. The course explains how high voltage power lines in shared corridors interact with parallel pipelines.
Marie Anode Sled

6 Sled Anodes Replace 274 Galvanic Anodes for Marine Jetty Corrosion Protection

MATCOR’s Sea-Bottom impressed current anode sleds protected a steel pile jetty in Indonesia, replacing a galvanic design that would have required 374 aluminum anodes. Six sled anodes were installed in three days, demonstrating a cost-effective alternative to galvanic cathodic protection for marine structures.
kynex cathodic protection connection

MMO Anode Technology: The latest in Cathodic Protection

MMO anode technology has taken over the cathodic protection industry and MATCOR has been on the forefront for the last 20 years.

Video Demonstrates Cathodic Protection System Installation

This video demonstrates a linear anode cathodic protection installation beneath an above ground storage tank (AST) using horizontal directional drilling.
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Your guide to MATCOR services, products, and corrosion protection. Prefer a person? Use the Contact link below.

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