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View of river water in Flint, Michigan


Brown discolored water began appearing in a city’s drinking water after a change to the water supply. Further investigations revealed the water was contaminated with...

CUI Myth: There’s no Corrosion under Insulation if the Jacketing isn’t Damaged


A common myth is that if the jacketing is intact then there can’t possibly be any corrosion under insulation (CUI). Helpful advice for integrity managers, inspectors and...

Condition Survey - The Backbone of a Good Coating Specification


Before writing a protective coating specification, an independent survey must be done to assess the condition of coatings and substrates, on all projects except...

Further Tests to Determine a Proper Lining System for Process Vessels


Most process vessels in the oil and gas industry are constructed from carbon steel, which corrodes under the harsh chemical and high-heat environments. This article...

5 Coating Defects That Can Be Avoided By Adhering To Coating Specs


Some coating problems may be due to poor technique or selecting an inappropriate product, however the five highlighted in this article can be avoided by adhering to the...

buried pipeline in corrosive soil


Soil corrosion is a phenomenon that involves a number of complex chemical reactions that range widely in rate and severity depending on the soil properties, composition...

hydraulic equipment


Rusting of ferrous metals is an unavoidable process in metal installations and systems, and hydraulic systems are no exception. The hydraulic fluid, when degraded by...

CUI Myth: The Cause of CUI is the Lack of Proper Coating


While it is a good thing to have a coating that is designed for the under-insulation environment and properly applied, there is no such thing as a perfect coating. In...

Methods & Pitfalls in Selecting Coating Systems for Specification


Veteran protective coatings expert, Lou Vincent, looks at the coating selection process through the lens of deep experience, and examines common pitfalls that can derail...

CUI Myth: Shop Coatings are Better Quality than Field Coatings


If you have a controlled environment, you’re much more capable of controlling (and thus optimizing) the quality with which a coating is applied—right? Nothing could be...

7 Things to Know About Flash Rust


Flash rust occurs with any type of wet, abrasive blasting or surface preparation using water. Understanding how it forms is essential to preventing it.

The Science behind Oil and Natural Gas Pipeline Corrosion and Coatings


Internal and external pipeline coatings play key roles to prevent oil and natural gas pipelines from coming into contact with corrosive media. The service life of the...

Why Do Two Dissimilar Metals Cause Corrosion?


Contact between dissimilar metals can be detrimental and result in bimetallic corrosion (also known as galvanic corrosion). This type of corrosion occurs when certain...

Corrosion Identification and Control in Crude Oil Refineries


The refining of crude oil into usable products is a complex process with many opportunities for corrosion to gain a foothold. The presence of sulfur compounds, oxygen...

6 Tests to Measure a Material's Strength


Tensile, compressive, fatigue, torsion, nick break and creep tests are six important procedures used to measure the strength of a material.

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