AMS4928 Ti6Al4V Titanium Alloy Bars, Wire, Forgings, Rings
- Grade: Ti6Al4V
- Annealed condition
- Bar, Rings, Forgings
- High Strength and Fatigue Resistance
- Good Corrosion Resistance
- Lightweight
- Good Biocompatibility
- Heat Treatability
Features
AMS4928 Ti6Al4V Titanium Alloy Bars, Wire, Forgings, Rings, and Drawn Shapes, Annealed
Chemical Composition (wt.%)
| Element | Composition (%) |
| Aluminum (Al) | 5.50 – 6.75 |
| Vanadium (V) | 3.50 – 4.50 |
| Iron (Fe) | 0.30 max |
| Oxygen (O) | 0.20 max |
| Carbon (C) | 0.08 max |
| Nitrogen (N) | 0.05 (500 ppm) |
| Hydrogen (H) | 0.0125 (125 ppm) |
| Yttrium (Y) | 0.005 max (50 ppm) |
| Other Elements, each | 0.10 max |
| Other Elements, total | 0.40 max |
| Titanium (Ti) | Remainder |
Mechanical Properties
| Property | Value / Range |
| Tensile Strength | 900 – 1000 MPa (130 – 145 ksi) |
| Yield Strength | 862 – 910 MPa (125 – 132 ksi) |
| Elongation | 10 – 18 % |
| Reduction of Area | 15 – 25 % |
| Hardness Rockwell C | 36 |
Technical Specifications
| Specification | Value |
| Standard | AMS4928 Ti6Al4V Titanium Alloy Bars, Wire, Forgings, Rings, and Drawn Shapes, Annealed |
| Melting Practice | Alloy shall be multiple melted. The first melt shall be made by vacuum consumable electrode, nonconsumable electrode, electron beam cold hearth, or plasma arc cold hearth melting practice. The subsequent melt or melts shall be made using vacuum arc remelting (VAR) practice. Alloy additions are not permitted in the final melt cycle. |
| Grade | Ti6Al4V, Grade 5 |
| Type | Bar, Wire, Forgings, Rings |
| Dimension | Round Dia: 0.25 to 12 inches (6.35 to 304.8 mm), Length up to 20 feet (6096 mm) |
| Wire Dia: 0.020 to 0.500 inches (0.51 to 12.7 mm) | |
| Block: Width: 2 – 24 inches (50 -610mm) x Height: 2 – 24 inches (50-610mm) x Length: 2 – 20 feet (610-6100mm) | |
| Rings: OD: 250-1500mm, ID: 150-1400mm, Height: 20-500mm | |
| Density | 4.51g/cm³ |
| Condition | Bars: Hot finished with or without subsequent cold reduction, annealed, and descaled. Unless prohibited by purchaser, bars may be solution heat treated before annealing. A machined or ground surface is permitted unless prohibited by the purchaser. The product shall be processed to the final thickness/diameter by metallurgical working operations prior to any straightening, dimensional sizing or surface finishing operations. Bar shall not be cut from plate. Wire: Cold drawn, annealed, and descaled. Forgings and Flash Welded Rings: Annealed and descaled. Unless prohibited by purchaser, product may be solution heat treated before annealing. Flash welded rings shall not be supplied unless specified or permitted on purchaser’s part drawing. When supplied, rings shall be manufactured in accordance with AMS7498. Drawn Shapes: Drawn, annealed, and descaled. Unless prohibited by purchaser, drawn shapes may be solution heat treated before annealing. Stock for Forging or Flash Welded Rings: As ordered by the forging or flash welded ring manufacturer. |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| Tests | Chemical Composition, Mechanical Properties |
Key Properties
High Strength and Fatigue Resistance: Ti-64 exhibits excellent strength and fatigue resistance, making it suitable for structural components and cyclic loading applications.
Good Corrosion Resistance: It demonstrates good resistance to corrosion in various environments, including seawater, chloride solutions, and some acids.
Lightweight: Ti-64 retains the lightweight characteristic of titanium alloys, contributing to weight savings in components and structures.
Good Biocompatibility: It exhibits good biocompatibility, making it suitable for medical implants and devices.
Heat Treatability: Ti-64 can be heat treated to enhance its strength and other mechanical properties further.
Packing
Packed in plywood boxes.
Applications
Aircraft structural components: These are used for spars, ribs, fasteners, and other structural parts requiring a high strength-to-ratio weight ratio and fatigue resistance.
Engine components: Employed for compressor blades, discs, and other parts exposed to high temperatures and stresses.
Implants: Commonly used for hip, knee, and other joint replacements, as well as bone plates, screws, and dental implants due to their biocompatibility and strength.
Surgical instruments: Employed for scalpels, forceps, and other instruments requiring strength, corrosion resistance, and precision.
Process equipment: Utilized for reactors, tanks, piping systems, and other components exposed to corrosive chemicals.
Offshore structures and equipment: Employed for components in offshore platforms and subsea equipment, offering strength and resistance to seawater corrosion.
High-performance parts: These are used for connecting rods, valves, exhaust systems, and other parts requiring high strength and low weight.
Bicycle frames and components: Ti-64’s strength, lightweight, and corrosion resistance combination makes it suitable for high-end bicycle applications.
