Titanium and zirconium
Sandvik's titanium and zirconium products are used in a wide range of applications, where corrosion resistance, low weight, strength or human body compatibility are important product properties. Our non-ferrous products are found in, for example:
- Heat exchangers and condensers with seawater cooling
- Instrumentation systems
- Medical implants
- Piping systems
- Sporting goods
Titanium is highly resistant to chloride-containing media, practically all salt solutions, seawater, a range of acids, organic and inorganic chemicals and gases. The high environmental resistance is primarily based on a very thin, tenacious and highly protective surface oxide film. The oxide film provides high resistance to erosion in high velocity process streams.
This corrosion and erosion resistance makes titanium a preferred heat transfer material for tube/shell heat exchangers since it permits the use of thin heat transfer walls and high fluid flow rates. In addition, titanium has only half the weight of steel. It is non-magnetic and characterized by a high melting point, high strength-to-weight ratio and a low modulus of elasticity.
Zirconium is highly resistant to a wide range of acids and bases, both organic and inorganic, which makes it an interesting and exceptional long-life alternative to other materials in highly demanding applications. The seamless tube zirconium grade, produced for heat exchanger applications, is Sandvik Zr 702*, which offers the process industry a high quality and competitive product concept.
* As per ASTM/ASME B, SB523 or equivalent.
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