ThePipingMart Blog Grades UNS R60901 Zirconium Alloy – Composition, Properties And Uses

UNS R60901 Zirconium Alloy – Composition, Properties And Uses

UNS R60901

UNS R60901 is a titanium alloy with aluminium and vanadium in its makeup. It was initially developed in the aerospace industry due to its remarkable high-temperature strength. It is currently used in marine, chemical processing, and power generation applications. This blog post aims to provide an in-depth understanding of UNS R60901, including its composition, physical properties, mechanical properties, uses, hardness, heat treatment, welding, and corrosion resistance.

R60901 Composition

UNS R60901 is a titanium-based alloy composed of 6% aluminium and 4% vanadium and other trace elements such as iron, oxygen, and carbon. This composition gives the alloy high strength, excellent corrosion resistance, and good weldability.

R60901 Physical Properties

UNS R60901 has a density of 4.43 g/cm³, which is relatively low compared to other metals. It also has a high melting point of 1635°C, making it resistant to high-temperature environments. Additionally, it has an excellent corrosion resistance property, particularly in acidic environments.

R60901 Mechanical Properties

UNS R60901 has impressive mechanical performance under different temperatures. At room temperature, it has a tensile strength of up to 1000 MPa and a yield strength of up to 880 MPa. Its elongation at break is around 15%. Its strength retention is remarkable at elevated temperatures, making it ideal for high-temperature applications such as gas turbine engines.

R60901 Uses

UNS R60901 is a versatile alloy with diverse applications across various industries. Its high strength and corrosion resistance are ideal for marine applications like offshore oil rigs and submarines. Also, it has proven helpful in chemical processing plants due to its resistance to corrosion and erosion. Due to their high-temperature strength, power generation companies use UNS R60901 in gas turbine engines.

R60901 Hardness

UNS R60901 has a hardness range of 320 – 360 HV, which is relatively high compared to other titanium alloys. It is also resistant to abrasion and wear, making it ideal in harsh environments such as marine applications.

R60901 Heat Treatment

UNS R60901 is heat-treatable and best done at temperatures ranging from 900 to 1050°C. This process improves its mechanical properties, including strength, flexibility, and toughness.

R60901 Welding

UNS R60901 is weldable using standard welding methods such as gas tungsten arc welding (GTAW) and gas metal arc welding (GMAW). Ensuring proper cleaning and efficient shielding gas to achieve quality welds is crucial.

R60901 Corrosion Resistant

UNS R60901 possesses excellent corrosion resistance, particularly in acidic environments. It is highly resistant to stress corrosion and pitting corrosion. Its natural oxide layer acts as a protective barrier that prevents corrosion.


In conclusion, UNS R60901 is a titanium alloy with impressive strength, corrosion resistance, and heat resistance properties. Its composition of aluminium, vanadium, and other trace elements makes it a versatile material that has applications in various industries, including marine, chemical processing, and power generation. If you need a material with excellent mechanical and corrosion properties in harsh environments, UNS R60901 is an excellent choice.

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