ASTM B348 Grade 5 Titanium Alloy Bar Titanium Bars Titanium Round Rod For Medical Purposes

Grade 5 Titanium Alloy Bar

Grade 5 titanium (Ti6Al4V) is the most widely utilized titanium alloy, renowned for its exceptional mechanical properties and versatility across various industries. This alloy contains 90% titanium, 6% aluminum, and 4% vanadium, which contribute to its remarkable strength and resistance to corrosion. Primarily, Grade 5 titanium is used in aircraft engine components due to its high strength-to-weight ratio, allowing for enhanced performance and fuel efficiency. Its applications extend beyond aviation to include structural parts in rockets, missiles, and high-speed aircraft, making it a critical material in the aerospace sector.

Since the mid-1960s, titanium and its alloys have found extensive use in diverse industries. The electrolysis industry utilizes titanium in the production of electrodes, benefiting from its corrosion resistance and durability. Additionally, power stations rely on titanium for condensers, while petroleum refining and seawater desalination processes often incorporate titanium heaters due to their ability to withstand harsh environments. Furthermore, titanium is employed in environmental pollution control devices, reflecting its versatility and importance in sustainable practices. With its excellent corrosion resistance, titanium has become a preferred choice for structural applications where durability and longevity are essential.

Gr5 Titanium Alloy Bar Specifications

Gr5 titanium alloy bars are available in various grades tailored to meet specific industry needs: industrial, medical, and aviation. While the chemical compositions of these grades are similar, their physical properties differ significantly, allowing for a wide range of applications. We offer products customized to customer specifications, ensuring that every requirement is met.

Material: Gr5 Titanium
Standards: ASTM B348, AMS 4928, ASTM F136
Diameters Available: 5mm to 50mm (with various sizes such as 6mm, 8mm, 10mm, 12mm, etc.)
Max Length: 6000mm
Supply Condition: Annealed
Applications: Industrial, aviation, medical, and other sectors
Packaging: Carton or plywood case
Quality Certification: EN10204.3.1
Surface Finish: CNC machined and polished

Differences between Grade 2 and Grade 5

Grade 2 and Grade 5 titanium are two commonly used alloys, each with distinct properties and applications. Here’s a comparison of their key differences:

1. Composition

• Grade 2: Primarily pure titanium (99.2% Ti) with small amounts of iron and oxygen. It is classified as a commercially pure titanium.
• Grade 5: An alloy consisting of 90% titanium, 6% aluminum, and 4% vanadium (Ti-6Al-4V). This alloying adds strength and other desirable properties.

2. Mechanical Properties

• Strength:

  • Grade 2: Lower tensile strength, typically around 345 MPa (50,000 psi).
  • Grade 5: Higher tensile strength, usually around 880 MPa (128,000 psi), making it suitable for high-stress applications.

• Ductility:

  • Grade 2: Exhibits excellent ductility and formability.
  • Grade 5: While still ductile, it is less ductile than Grade 2 due to its alloying elements.

3. Corrosion Resistance

• Both grades have good corrosion resistance, but Grade 2 offers slightly better performance in certain aggressive environments due to its lower alloy content.

4. Applications

• Grade 2: Commonly used in applications where high ductility and corrosion resistance are essential, such as chemical processing, marine environments, and medical devices.
• Grade 5: Preferred for high-performance applications, including aerospace components, automotive parts, and military applications, due to its high strength-to-weight ratio.

5. Weldability

• Grade 2: Generally easier to weld due to its pure titanium nature.
• Grade 5: While it can be welded, it requires more care due to the potential for changes in microstructure and properties during welding.

6. Cost

• Grade 2: Typically less expensive than Grade 5, due to its composition and manufacturing processes.
• Grade 5: More costly due to the alloying elements and the processing required to achieve its properties.

Technical Parameters

Gr 5 titanium alloy bar / rod Chemical Composition

Gr 5 titanium bar / rod Mechanical Properties

Equivalent Grades for Gr 5

Different Grades of Titanium

Different Grades of Titanium Rods Titanium alloy rods are classified into different grades based on their composition and properties, with each grade offering unique characteristics suitable for various applications. Common titanium alloy grades include: Grade 1, which is 99.5% pure titanium, possesses excellent corrosion resistance and good formability but has low strength, making it suitable for chemical processing and marine applications; Grade 2, at 99.2% pure titanium, provides a good balance of strength and ductility, widely used in aerospace and industrial sectors; Grade 3 has higher strength than Grade 2 and is suitable for aerospace and military uses; Grade 4 is noted for its exceptional strength, used in applications requiring high strength in aerospace and chemical processing; Grade 5 (Ti-6Al-4V) is the most commonly used titanium alloy, known for its high strength-to-weight ratio and is suitable for aerospace and medical implants; Grade 6 offers improved weldability and corrosion resistance, primarily applied in aerospace and chemical industries; Grade 7, with 0.2% palladium added, enhances corrosion resistance in acidic environments; Grade 9 (Ti-3Al-2.5V) exhibits good weldability and corrosion resistance, suitable for aerospace and medical applications; and finally, Grade 23 (Ti-6Al-4V ELI) excels in biocompatibility, making it ideal for medical implants and devices. The choice of titanium alloy rod grade depends on specific application requirements, including strength, weight, corrosion resistance, and weldability.

Manufacturing Processes of Titanium Bars

Manufacturing titanium bars involves several key processes to transform raw titanium or titanium alloys into finished products. Here’s an overview of the main manufacturing processes:

1. Raw Material Preparation

• Titanium Sponge Production: Titanium is typically obtained in the form of titanium sponge, produced from titanium tetrachloride through the Kroll process.
• Alloying: For alloyed titanium bars, elements like aluminum and vanadium are added to the titanium sponge.

2. Melting

• Vacuum Arc Remelting (VAR): This process involves melting the titanium sponge or alloy in a vacuum environment using an electric arc. VAR produces a high-quality ingot with minimal contamination.
• Electron Beam Melting (EBM): Another method where an electron beam is used to melt the titanium. This is suitable for producing high-purity titanium and specific alloy compositions.

3. Casting

• Ingot Casting: The melted titanium is poured into molds to create large ingots. The cooling process is controlled to ensure the desired microstructure and properties.

4. Forming Processes

• Hot Working: The ingots are often hot forged or rolled into bars. Hot working involves heating the titanium to a specific temperature to improve ductility and facilitate shaping.
• Cold Working: Some processes, like cold drawing, may follow hot working to refine dimensions and enhance mechanical properties.

5. Heat Treatment

• Solution Treating and Aging: Depending on the alloy, heat treatment may be applied to optimize mechanical properties. This can involve heating the bars to a high temperature and then cooling them in air or oil.

6. Machining

• Turning, Milling, and Grinding: After forming, the titanium bars may undergo machining to achieve precise dimensions and surface finishes. This step is critical for meeting specifications for various applications.

7. Finishing

• Surface Treatments: Processes like anodizing or passivation can enhance corrosion resistance and improve surface properties.
• Inspection and Quality Control: Each batch is inspected for dimensional accuracy, surface quality, and mechanical properties, ensuring compliance with industry standards.

8. Packaging and Delivery

• Finished titanium bars are packaged to prevent damage during transport and delivered to customers or manufacturers for further processing.

Applications of Titanium Bars

Titanium bars are highly valued in various industries due to their unique properties, such as high strength, low weight, and excellent corrosion resistance. Here are some common applications:

1. Aerospace

• Structural Components: Used in aircraft frames, engine components, and landing gear due to their high strength-to-weight ratio.
• Fasteners and Connectors: Essential for their lightweight and corrosion-resistant properties.

2. Medical Devices

• Surgical Instruments: Titanium bars are used to manufacture surgical tools, implants, and prosthetics because of their biocompatibility and resistance to corrosion.
• Dental Implants: Commonly used for dental implants due to their compatibility with human tissue.

3. Marine Applications

• Shipbuilding: Utilized in ship hulls and components that are exposed to seawater, offering excellent resistance to corrosion.
• Submarine Parts: Ideal for components in submarines and underwater vehicles.

4. Automotive

• High-Performance Parts: Used in exhaust systems, suspension components, and engine parts for performance vehicles, leveraging their lightweight and strength.
• Racing Applications: Employed in motorsports for components that require weight reduction without sacrificing strength.

5. Oil and Gas Industry

• Drilling Equipment: Used in the manufacture of pumps, valves, and tubing due to their resistance to corrosive environments.
• Offshore Platforms: Components in offshore drilling rigs benefit from titanium's durability and resistance to saltwater corrosion.

6. Chemical Processing

• Heat Exchangers and Pressure Vessels: Titanium bars are used in chemical processing equipment where corrosion resistance is critical.
• Piping and Valves: Ideal for transporting corrosive substances safely.

7. Sports Equipment

• Bicycle Frames: Lightweight and durable, titanium is used in high-end bicycles for both frames and components.
• Golf Clubs and Other Gear: Commonly found in premium sporting equipment due to its performance characteristics.

8. Electronics

• Connector Components: Utilized in electronic connectors and housings due to their conductivity and resistance to oxidation.

9. Military Applications

• Armored Vehicles: Used in the construction of lightweight, high-strength military vehicles.
• Ammunition and Ordnance: Components in munitions benefit from titanium's strength and light weight.