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Corrosion Resistant Alloy (Buy Online from Stock)
Corrosion Resistant Alloys (also known as CRAs) provide essential long-term corrosion resistance to various components which are exposed to environments associated with oil and gas production.
A corrosion-resistant alloy (CRA) is an alloy consisting of metals such as:
Chrome Cobalt Nickel Iron Titanium Molybdenum
There are many different Corrosion Resistant Alloys to choose from and are usually categorised according to their resistance levels when exposed to particular environments.
Some key environmental parameters which play a part in influencing the corrosion properties of Corrosion Resistant Alloys include:
Temperature Partial pressure CO2 Whether sulphur is present or absent Environment pH Chloride ion concentration Partial pressure H2S
The above parameters can influence:
The passive film’s stability (initiation of general corrosion or pitting) Repassivation ease of initiated pits Dissolution rates or metal from pits The Stress Corrosion Cracking (SCC) risk, initiating and propagating
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