UNS R60701 Zirconium Alloy – Composition, Properties, and Uses

UNS R60701 is a low-carbon titanium alloy widely used in the aerospace and marine industries for its excellent mechanical and physical properties. This alloy is known for its high strength, good modulus of elasticity, low density, and good corrosion resistance. This blog post aims to comprehensively understand UNS R60701, including its composition, physical and mechanical properties, hardness, heat treatment, welding, and corrosion-resistant properties. Read on to learn more about UNS R60701 and its applications.

R60701 Composition

UNS R60701 is an alpha-beta titanium alloy that contains 6% aluminium, 4% vanadium, and 0.3% molybdenum. This alloy’s small percentage of carbon gives it an excellent combination of properties such as high strength, low weight, and good corrosion resistance. In addition, UNS R60701 has good weldability, making it an ideal material for applications that require fusion welding or joining similar or dissimilar metals.

R60701 Physical Properties

UNS R60701 has excellent physical properties that make it suitable for high-performance applications. The alloy has a density of 4.43 g/cm3, significantly lower than steel’s, making it ideal for aerospace and marine applications. Additionally, UNS R60701 has a melting point of 1640 °C, thermal conductivity of 7.5 W/m•K, and a coefficient of thermal expansion of 10.8 µm/m•K.

R60701 Mechanical Properties

UNS R60701 has high tensile strength, good fatigue strength, and a high modulus of elasticity, contributing to its wide range of applications. The alloy has a tensile strength of 960 MPa and a yield strength of 880 MPa. This strength makes UNS R60701 ideal for structural applications such as aircraft frames, landing gear parts, and ship hulls.

R60701 Hardness

UNS R60701 has a hardness of 330 HB, which means it is resistant to wear and abrasion. This property makes it ideal for manufacturing parts that require good wear resistance, such as drive shafts and gears.

R60701 Heat Treatment

The heat treatment of UNS R60701 involves the solution treatment process to reduce the number of interstitial gases and other extraneous materials within the alloy. This process is carried out at around 1000-1050 °C for 1-2 hours, followed by air cooling. The solution treatment process helps improve the alloy’s flexibility, toughness, and mechanical properties.

R60701 Welding

UNS R60701 has excellent weldability thanks to its low carbon content. The alloy can be welded using various welding processes such as TIG, MIG, and submerged arc welding. Welded joints of UNS R60701 are strong, durable, and have excellent corrosion resistance properties.

R60701 Corrosion Resistant

UNS R60701 has good corrosion resistance in various environments, such as seawater, hydrochloric acid, and sulfuric acid. This property makes it suitable for marine and chemical processing applications where corrosion resistance is crucial.

R60701 Uses

UNS R60701 is widely used in various applications such as aerospace, marine, and chemical processing. In aerospace, the alloy is used to manufacture aircraft structures, landing gear parts, and engine compressor blades. It manufactures ship hulls, propellers, and other components that require high strength and corrosion resistance in marine applications. In the chemical processing industry, UNS R60701 manufactures valves, pipes, and other equipment that require good chemical resistance.

Conclusion

UNS R60701 is a titanium alloy with excellent physical and mechanical properties, making it ideal for high-performance applications. Its high strength, good fatigue resistance, low density, and good corrosion resistance properties make it popular in aerospace, marine, and chemical processing industries. The alloy has unique properties, such as its hardness, weldability, heat treatment, and good corrosion resistance, making it an ideal choice for various applications. If you’re looking for a material that offers excellent performance, durability, and reliability, then UNS R60701 is an excellent choice.