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Zirconium alloys exhibit excellent resistance to corrosive attack and works well in many organic and inorganic acids, salt solutions, strong alkalies, and some molten salts. Zirconium owes its corrosion resistance to the natural formation of a dense, stable, self-healing oxide film on its surface. Unalloyed zirconium has excellent corrosion resistanc to sulfuric acid up to 60% concentration at the boiling point and has excellent corrosion resistance in hydrochloric acid.  

Zirconium is also highly resistant to most alkali solutions up to their boiling point. Zirconium’s corrosion resistance could be compared with titanium in many ways; however zirconium is much more robust than titanium in withstanding organic acids, such as acetic, citric, and formic acids at various concentration and elevated temperature

For all of zirconium’s attributes it still can be corrosively attacked by fluoride ions, wet chlorine, aqua regia, concentrated sulfuric acid above 80% concentration, and ferric or cupric chlorides.

Corrosion | Metallographic Test | Metallographic Test Report | Stress Corrosion Cracking | Chloride SCC | Minimizing Chloride SCC | Stainless Steel Corrosion | ntergranular Corrosion | Stainless Steel Intergranular Corrosion | Corrosion of Piping | Corrosion Resistant Stainless Steel | Corrosion Resistant Material | Corrosion Resistance | Seawater Resistance | Corrosion Mechanism | Corrosion Process | Surface Coatings for Corrosion | Galvanic Corrosion | Galvanic Corrosion Risks | Causes of Metal Corrosion | Stainless Steel for Corrosion Resistance | ASTM A262 | ASTM E112 | Corrosion Resistance Table | Metals Corrosion Resistance | Oxidation Resistance | NACE MR0175/ISO 15156 | Carbon on Corrosion Resistance

Related References:
Zirconium Zirkonium Zircone
Corrosion Resistance of Zirconium
Physical Properties of Zirconium
Zirconium 702 705 Mechanical Properties
Zirconium 702 705 ASME Allowable Stress

Selection of Stainless Steel fo Handling Sulphur Dioxide SO2 and Sulphur Trioxide SO3
Selection of Stainless Steel for Handling Phosphoric Acid H3PO4
Selection of Stainless Steel for Handling Hydrofluoric Acid HF
Selection of Stainless Steel for Handling Citric Acid C3H4OH (COOH)3
Selection of Stainless Steel for Handling Ammonia NH3
Selection of Stainless Steel for Handling Chlorine Cl2 and Chlorine Dioxide ClO2
Selection of Stainless Steels For Handling Hydrochloric Acid HCl
Selection of Stainless Steel for Handling Sulphuric Acid H2SO4
Selection Stainless Steel for Handling Sodium Hydroxide NaOH
Selection of stainless steels for handling acetic acid (CH3COOH)
Selection of stainless steels for handling sodium hypochlorite (NaOCl)
Selection of stainless steels for handling nitric acid (HNO3)
NACE MR 0175/ISO 15156 for Corrosion Resistant Alloys for Sulphide Service
Selection of stainless steels in water supply and waste water treatment

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