Materials to resist CaCl2 corrosion

[JTreglio]

What materials are best suited to resist attack from calcium chloride (CaCl2)? I know that chrome does not.

 

[metengr]

Temperature and concentration?

 

[cloa]

Solution or molten salt?

 

[CarbideMan]

A chrome carbide applied by an hvof process would probably work. The coating is about 98% porosity free if applied correctly and will not allow an attack on the base material.

 

[strider6]

Materials of Construction

http://www.tetrachemicalseurope.com/Resources/Materials_of_Construction.aqf

S

Corrosion Prevention & Corrosion Control

 

[JTreglio]

I'm not sure of the conditions. The application is oil-well drilling. The customer has most of his tools chrome plated, but for the sour wells the calcium chloride eats them away. It's an inner surface of a narrow bore tube that needs to be coated, so HVOF is out. We're looking to use a unique inner diameter coating process, but need to determine the best material to deposit.

Jim Treglio