ThePipingMart Blog Grades UNS R60700 Zirconium Alloy – Composition, Properties and Uses

UNS R60700 Zirconium Alloy – Composition, Properties and Uses

UNS R60700

UNS R60700, also known as Titanium 6-4, is a titanium alloy commonly used in aerospace, medical, and industrial applications. It combines titanium, aluminium, and vanadium, providing supreme mechanical properties, lightweight, and corrosion resistance. This blog will investigate the UNS R60700 properties, composition, uses, hardness, heat treatment, welding, and corrosion resistance.

R60700 Composition

UNS R60700 is composed of 90% titanium, 6% aluminium, and 4% vanadium. Including aluminium and vanadium enhances the strength of this alloy and its ability to withstand high temperatures and corrosive environments. Additionally, this alloy may have small traces of iron, oxygen, and carbon.

R60700 Physical Properties

UNS R60700 has a density of 4.43 g/cm³, a melting point of 1,668°C, and a boiling point of 3,155°C. It is classified as a non-magnetic metal with low thermal conductivity. The thermal expansion coefficient of UNS R60700 is lower than stainless steel, and its elasticity modulus is double.

R60700 Mechanical Properties

UNS R60700 has superior mechanical properties due to its composition. It has a tensile strength of 110 ksi (758 MPa), yield strength of 100 ksi (690 MPa), and an elongation of 10%. Additionally, UNS R60700 possesses excellent fatigue resistance and toughness.

R60700 Uses

UNS R60700 is a versatile alloy used in various industrial applications. It is frequently used in aerospace and military applications, such as aircraft components, engine parts, and missiles. The medical industry uses UNS R60700 in prosthetics, orthopaedic implants, and surgical tools. Additionally, this alloy is used in industrial applications, such as chemical processing, marine, and oil and gas.

R60700 Hardness

UNS R60700 has good hardness properties. The alloy is unique in that it can be heat-treated to improve its strength and hardness. As a result, it is commonly used in applications where high strength and toughness are required.

R60700 Heat Treatment

UNS R60700 can be heat-treated to improve its mechanical properties further. The heat treatment process enhances the strength and hardness of the alloy, thus making it suitable for a wide range of applications.

R60700 Welding

UNS R60700 is typically welded using gas tungsten arc welding (GTAW) or gas metal arc welding (GMAW). Preheat treatment is recommended before welding, and post-weld stress relief treatment is essential to maintain the weld joint’s strength and integrity.

R60700 Corrosion Resistance

UNS R60700 has excellent corrosion resistance properties, including resistance to seawater, chloride solutions, and industrial chemicals. It is commonly used in marine environments due to its exceptional corrosion resistance.


UNS R60700 is a titanium alloy with remarkable mechanical and corrosion-resistant properties. Vanadium and aluminium make it stronger, harder, and more resistant to high-temperature environments. It is used in various aerospace, medical, and industrial applications due to its superior properties. With its superior physical and mechanical properties, UNS R60700 is an excellent choice for applications requiring high strength and excellent corrosion resistance.

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