Ti-6AL-4V Grade 5 Titanium in sheet, bar, and plate - AMS 4911, 4928, 4967, 6931
United Performance Metals is a worldwide supplier of Grade 5 Titanium - It is one of the most popular alloys in the titanium industry and accounts for almost half of the titanium used in the world today. Commonly referred to as Ti-6AL-4V or Ti 6-4, this designation refers to its chemical composition of almost 90% titanium, 6% aluminum, 4% vanadium, 0.25% (max) iron and 0.2% (max) oxygen. It features excellent strength, low modulus of elasticity, high corrosion resistance, good weldability and it is heat treatable. The addition of aluminum and vanadium increases the hardness of the material in the alloy matrix, improving its physical and mechanical properties.
United Performance Metals stocks Ti-6AL-4V coil and sheet sizes 0.012" - 0.125", plate sizes 0.250" - 4.000", and bar sizes 0.250" - 8.500". Some of the many applications where this alloy is used include aircraft turbine engine components, aircraft structures, aerospace and space fasteners, marine applications, and medical devices.
- Inventory & Specs
- Chemical Composition
- Physical Properties
- Mechanical Properties
- Datasheet
- Additional Info
- FAQs
Inventory Size Ranges for Ti-6AL-4V
| Type | Thickness | AMS Standards | ASTM | UNS | Get a Quote |
|---|---|---|---|---|---|
| Coil | 0.012" - 0.125" | AMS 4911, AMS-T-9046 A | ASTM B 265 GR 5, ASTM F 1472 (surgical implants) | UNS R56400 | Get a Quote |
| Sheet | 0.012" - 0.125" | AMS 4911, AMS-T-9046 A | ASTM B 265 GR 5, ASTM F 1472 (surgical implants) | UNS R56400 | Get a Quote |
| Plate | 0.250" - 4.000" | AMS 4911, AMS-T-9046 A | ASTM B 265 GR 5, ASTM F 1472 (surgical implants) | UNS R56400 | Get a Quote |
| Bar | 0.250" - 8.500" | AMS 4928, AMS 4967, AMS 4965, AMS 6931 | ASTM B 348 GR5 | Get a Quote |
Advanced Inventory Size Ranges for Ti-6AL-4V
| Type | Size Range | Specifications | Get a Quote |
|---|---|---|---|
| Build Platform | 0.50" - 5.00" | AMS 4911, AMS-T-9046 A, ASTM B 265 GR 5, ASTM F 1472 (surgical implants) | Get a Quote |
| Feedstock | 1.37" - 5.90" | AMS 4928, AMS 4965, ASTM B348, UNS R56400 | Get a Quote |
| Powder | 15um - 106um | ASTM F3001 | Get a Quote |
Characteristics of Ti-6AL-4V
Ti-6AL-4V immediately and spontaneously forms a stable, continuous, tightly adherent oxide film upon exposure to oxygen in air or water. This feature accounts for its excellent corrosion resistance in a variety of environments. This alloy may be considered in any application where a combination of high strength at low-to-moderate temperatures, light weight, and excellent corrosion resistance is required. The fracture toughness of this alloy lies between that of aluminum alloys and steels. The ELI grade of Ti-6AL-4V exhibits toughness superior to the standard grade. Like other titanium alloys, Ti-6AL-4V has a tendency to gall, making it a poor choice for wear applications.
Working with Ti-6AL-4V
Ti-6AL-4V wrought products are typically used in either a mill annealed or solution treated and aged condition. This alloy can be hot worked by standard methods such as hot rolling, forging, and hot pressing. Typically, hot working is done at approximately 1600-1800°F (870-980°C). The yield strength of Ti-6AL-4V drops off rapidly with temperature, making it readily formable at intermediate temperatures. This feature allows the product to be warm worked, which is used in the manufacturing of many products, including fasteners, aerospace components, and medical devices. Ti-6AL-4V can also be cold drawn and extruded, although the cold workability is limited. When machining this alloy, low cutting speeds, heavy feed rates, and copious amounts of cutting fluid are recommended.
Ti-6AL-4V can be welded using filler metal. Inert gas shielding techniques must be used to prevent oxygen pickup and embrittlement in the weld area. Gas tungsten arc welding is the most common processing for Ti-6AL-4V. Other types of welding, including spot, electron beam, resistance, and diffusion have also been done successfully.
Other industry standards we comply with:
- ASM/MIL-81299
- PWA LCS
- GE Aircraft Engine (GT193)
- GE Aviation S-SPEC-35 AeDMS S-400
- Line marked >.500 inch diameter
- Predominantly produced by double vacuum melt, hot rolled, annealed, then centerless ground or rough turned.
- DFARS Compliant
Common Trade Names
- Grade 5 Titanium
- Ti 6-4
- 6AL-4V Titanium
Industry Applications for Ti-6AL-4V
- Aerospace
- Base plates
- Fasteners
- Chemical processing
- Medical implants
Chemical Composition
| Element | Min | Max | |
|---|---|---|---|
| Ti | Titanium | - | 90.00 |
| Al | Aluminum | - | 6.00 |
| V | Vanadium | - | 4.00 |
| C | Carbon | < 0.10 | - |
| O | Oxygen | < 0.20 | - |
| N | Nitrogen | < 0.05 | - |
| H | Hydrogen | < 0.0125 | - |
| Fe | Iron | < 0.3 | - |
Physical Properties
Ti-6AL-4V is a non-magnetic, two-phase alloy, containing both alpha and beta phase crystalline structures. This high strength grade can be used at cryogenic temperatures to about 800˚F (427˚C).Ti-6al-4v bar to AMS 4928 requires 120,000 psi minimum yield strength at room temperature. Grade 5 Titanium can be used in the annealed condition or in the solution treated and aged condition. Ti 6al-4v Grade 5 Titanium bar bar stock has outstanding corrosion resistance to most media including nitric acid in all concentrations to boiling point, in seawater, and to alkalis in all concentrations to boiling point. Stress corrosion cracking may occur if chlorine salts are present on stressed parts subsequently subjected to high temperatures. Ti 6al-4v Grade 5 Titanium has acceptable oxidation resistance up to 1000°F (538˚C).
| Property | Value |
|---|---|
| Density | 0.16 lb/in³ |
| Specific Heat | 0.135 (Btu/lb/ °F (32-212) |
| Electrical Resistivity | 171 (Microhm-cm at 68°F) |
| Melting Point | 3200°F |
| Thermal Conductivity | 3.9 |
| Modulus of Elasticity Tension | 16.5 |
| Beta Transus | 1830 (°F +/- 25) |
Mechanical Properties
Hardness of stock is typically 300 BHN. The strength and hardness of the mill-annealed product may be increased by approximately 20% after an aging heat treatment. After aging at 975 to 1025˚F (524-552˚C), Grade 5 Titanium bar yield strength is 150,000 psi and typical hardness is 360 BHN.
| Property | Value |
|---|---|
| Hardness Brinell | 334 |
| Hardness Rockwell C | 36 |
| Ultimate Tensile Strength | 131000 psi |
| Yield Strength | 120000 psi |
| Machinability Rating | 22% of B 112 |
| Typical stock removal rate | 30 surface ft/minute |
Datasheet
Additional Info
A Brief History of Ti-6AL-4V Grade 5
Ti‑6Al‑4V—commonly referred to as Grade 5 titanium, UNS R56400, or W.Nr. 3.7165 / 3.7164—is the most widely used titanium alloy in the world. Developed in the mid‑20th century during the rapid expansion of aerospace and military programs, Ti‑6Al‑4V was engineered to deliver an exceptional balance of strength, lightweight performance, corrosion resistance, and high‑temperature stability. Today, it remains the benchmark alloy for demanding structural and high‑performance applications.
Its alpha‑beta titanium alloy microstructure—stabilized with aluminum and vanadium—provides superior mechanical properties while maintaining the natural corrosion resistance and biocompatibility titanium is known for.
How Ti-6AL-4V Grade 5 Was Developed
As jet propulsion, supersonic aircraft, and advanced defense systems emerged after World War II, engineers required materials that could outperform aluminum and stainless steels at elevated temperatures while dramatically reducing structural weight. Pure titanium offered excellent corrosion resistance but lacked sufficient strength for critical load‑bearing components.
Metallurgists discovered that alloying titanium with ~6% aluminum (an alpha stabilizer) and ~4% vanadium (a beta stabilizer) produced a two‑phase microstructure capable of exceptional strength‑to‑weight performance. The resulting alloy, Ti‑6Al‑4V, offered:
- High tensile and fatigue strength
- Outstanding resistance to oxidation and chloride corrosion
- Stability at elevated operating temperatures
- Excellent fracture toughness
These characteristics made Grade 5 titanium the ideal solution for aerospace structures and high‑stress environments.
Early Applications of Ti-6AL-4V Grade 5
Ti‑6Al‑4V was rapidly adopted by the aerospace industry, where reducing weight without sacrificing strength was mission‑critical. Its ability to maintain mechanical integrity at temperatures up to ~800°F (427°C) made it ideal for early jet engine components, airframes, and fasteners.
Beyond aerospace, its corrosion resistance in marine and chemical environments led to early use in offshore systems and industrial process equipment. Medical researchers also recognized the alloy’s biocompatibility, accelerating adoption for orthopedic and dental implants.
How Ti-6AL-4V Grade 5 Is Used Today
Today, Ti‑6Al‑4V Grade 5 remains the dominant titanium alloy across high‑performance industries, prized for its versatility and long‑term reliability. Its combination of low density (approximately 56% that of steel) and high strength enables engineers to extend component life while reducing system weight.
Common applications include:
- Aerospace: airframes, turbine engine components, compressor blades, fasteners
- Defense: armor systems, missile structures, jet propulsion hardware
- Medical: orthopedic implants, dental implants, surgical instruments
- Additive manufacturing: aerospace and medical 3D‑printed components
- Marine & chemical processing: heat exchangers, pressure vessels, corrosion‑resistant hardware
Ti‑6Al‑4V performs reliably from cryogenic temperatures to elevated service environments, maintaining mechanical strength, fatigue resistance, and corrosion performance where stainless steels and aluminum alloys fall short.
Your Trusted Supplier for Ti-6AL-4V Grade 5
United Performance Metals is a global specialty metals solutions provider offering Ti‑6Al‑4V Grade 5 titanium in coil, sheet, plate, bar, build platforms, and feedstock. With advanced FIRSTCUT+® processing services and deep expertise supporting aerospace, medical, defense, and additive manufacturing customers, UPM delivers titanium solutions tailored to your exact specifications.
From tight dimensional tolerances to dependable supply chain support, UPM helps ensure your Ti‑6Al‑4V applications meet the highest performance and quality standards.
Contact our team today to learn how Ti‑6Al‑4V Grade 5 titanium can elevate your next high‑performance design.
Product FAQs
Ti‑6Al‑4V Grade 5 is a high‑strength alpha‑beta titanium alloy containing approximately 6% aluminum and 4% vanadium. It is the most widely used titanium alloy globally due to its exceptional combination of strength, low weight, corrosion resistance, and temperature stability.
Ti‑6Al‑4V is valued for its:
- Exceptional strength‑to‑weight ratio
- Outstanding corrosion resistance
- High fatigue and fracture toughness
- Good performance at elevated temperatures
- Biocompatibility and non‑magnetic properties
These traits make it ideal for aerospace, medical, defense, and advanced manufacturing applications.
Ti‑6Al‑4V is widely used in:
- Aerospace (airframes, turbine components, fasteners)
- Defense (armor, propulsion systems)
- Medical (orthopedic implants, dental implants, surgical instruments)
- Additive manufacturing (3D‑printed aerospace and medical parts)
- Marine and chemical processing (corrosion‑resistant components)