Metals

Galvanic Corrosion Between Dissimilar Metals

Apr 5, 2012

Richard Rolke

A Dow USGC cracker suffered a tube failure on a cracked gas compressor inner stage cooler after ten plus years of service. To further extend the equipment life, the decision was made to replace the tube bundle and upgrade the metallurgy of the tubes from admiralty brass to Duplex stainless steel...

Selecting Nickel Alloys for Corrosive Applications

May

2007

Materials

Paul Crook

Nickel and its alloys offer resistance to attack by a wide range of chemicals, including acids, alkalis and salts, making these materials suitable for may CPI applications.

Catalyst Recovery Part 1: Recovering Precious Metals from Catalysts

February

2005

Reactions and Separations

Robert T Jacobsen

When selecting a precious metals refiner, it’s important to first understand the basics of sampling, assaying and environmental issues, as well as the concept of leasing metal.

Choosing Specialty Metals for Corrosion-Sensitive Equipment

July

2010

Back To Basics

Dean Gambale

Specialty metals should be considered for processes that push beyond the corrosion limits of steel. New composites and surface alloy technologies expand the options for defending against corrosion.

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Metals