Corrosion 101


Heat treatment of pipeline welds to increase resistance to intergranular corrosion. Heat treatment of pipeline welds to increase resistance to intergranular corrosion. Heat treatment of pipeline welds to increase resistance to intergranular corrosion. Heat treatment of pipeline welds to increase resistance to intergranular corrosion.


Intergranular corrosion (IGC) or intergranular attack (IGA) is a preferential or localized corrosion that proceeds along a metal’s grain...

5 Ways to Avoid Galvanic Corrosion 5 Ways to Avoid Galvanic Corrosion 5 Ways to Avoid Galvanic Corrosion 5 Ways to Avoid Galvanic Corrosion


Preventing galvanic corrosion involves applying countermeasures early in the design phase. Understanding the mechanisms involved in this...

Old iron trailer with rust Old iron trailer with rust Old iron trailer with rust Old iron trailer with rust


The corrosion or rusting of iron creates a reddish-brown hydrated iron oxide. Understanding how iron…

Rusty steel i-beams corrosion Rusty steel i-beams corrosion Rusty steel i-beams corrosion Rusty steel i-beams corrosion


Discover the mechanical properties of metals used for construction materials and how corrosion influences the metal’s internal structure.

Old rusty corroded process vessel chemical tank Old rusty corroded process vessel chemical tank Old rusty corroded process vessel chemical tank Old rusty corroded process vessel chemical tank


The proper design to minimize corrosion is as important as the selection of materials. In many structures, a lack of design consideration...

Paper mill with stainless steel process vessels. Paper mill with stainless steel process vessels. Paper mill with stainless steel process vessels. Paper mill with stainless steel process vessels.


Austenitic stainless steels are susceptible to caustic cracking. We discuss environments where this is common, how to identify it, and how...

Distillation units of oil refinery plant. Distillation units of oil refinery plant. Distillation units of oil refinery plant. Distillation units of oil refinery plant.


Crude oil isn't corrosive, but some of the impurities commonly found in it are. Find out what those components are, and what can be done to...

Cathodic Protection and Anode Backfills Cathodic Protection and Anode Backfills Cathodic Protection and Anode Backfills Cathodic Protection and Anode Backfills


Cathodic protection is a key method for preventing corrosion, and understanding its basic concepts is very important. Here we look at the...

New pipe and old corroded rusty pipes. New pipe and old corroded rusty pipes. New pipe and old corroded rusty pipes. New pipe and old corroded rusty pipes.


Pipeline corrosion—and the related catastrophic failures that it can cause—cost billions of dollars to the economy each year. Here's how it...

A worker welding stainless steel beams. A worker welding stainless steel beams. A worker welding stainless steel beams. A worker welding stainless steel beams.


Chloride stress corrosion cracking (Cl-SCC) is the most common type of cracking of austenitic stainless steel. It has been the observed...

Corrosive label Corrosive label Corrosive label Corrosive label


Corrosion electrochemistry is a crucial aspect of truly understanding and preventing corrosion. Learn more about it here.

Pipes in seawater. Pipes in seawater. Pipes in seawater. Pipes in seawater.


The chemical reactions responsible for the corrosion of pipes in seawater environments are predominantly electrochemical in nature, so...

Steel corrosion on a rusty pipe Steel corrosion on a rusty pipe Steel corrosion on a rusty pipe Steel corrosion on a rusty pipe


Steel is popular, durable and versatile. Here are 7 things to understand about the corrosion resistance of steel.

Understanding the Relationship Between Stress and Corrosion Understanding the Relationship Between Stress and Corrosion Understanding the Relationship Between Stress and Corrosion Understanding the Relationship Between Stress and Corrosion


Stresses (residual stress or applied stress) acting on a material can play a major role in a unique type of corrosion known as stress...

The Basics of Cathodic Protection The Basics of Cathodic Protection The Basics of Cathodic Protection The Basics of Cathodic Protection


The purpose of cathodic protection (CP) is to reduce the potential difference between anodes and cathodes to a small value. Here's how it...

An Overview of Welded Joint Corrosion: Causes and Prevention Practices An Overview of Welded Joint Corrosion: Causes and Prevention Practices An Overview of Welded Joint Corrosion: Causes and Prevention Practices An Overview of Welded Joint Corrosion: Causes and Prevention Practices


Corrosion in welded joints is caused by a combination of manufacturing and metallurgical factors, including deficient weldment design, poor...

The Relationship Between Corrosion Fatigue and Stress Corrosion Cracking The Relationship Between Corrosion Fatigue and Stress Corrosion Cracking The Relationship Between Corrosion Fatigue and Stress Corrosion Cracking The Relationship Between Corrosion Fatigue and Stress Corrosion Cracking


While corrosion fatigue and stress corrosion cracking can occur under different circumstances, they are part of the same continuum....

Top 5 Corrosion Threats Caused by Neglect Top 5 Corrosion Threats Caused by Neglect Top 5 Corrosion Threats Caused by Neglect Top 5 Corrosion Threats Caused by Neglect


While corrosion is mostly considered to be the result of natural phenomena, it can also be a consequence of neglectful human behavior, such...

Corrosion Management in Water Treatment: A Look at Water Pipeline Corrosion and Why It's Becoming a Problem Corrosion Management in Water Treatment: A Look at Water Pipeline Corrosion and Why It's Becoming a Problem Corrosion Management in Water Treatment: A Look at Water Pipeline Corrosion and Why It's Becoming a Problem Corrosion Management in Water Treatment: A Look at Water Pipeline Corrosion and Why It's Becoming a Problem


Drinking water travels through metallic pipes. The corrosion rate depends upon dissimilar metals used in pipes and water parameters such as...