Ti-6Al-4V Grade 5 Titanium Alloy: Performance, Applications, and Sourcing Guide
Ti-6Al-4V (Grade 5) is the most widely used titanium alloy. From aircraft engine components to implants in the medical field, this α-β type alloy combines high strength, low density, and corrosion resistance, making it the industry's preferred alloy. We will introduce its chemical composition, mechanical properties, main applications, and considerations when sourcing from reliable titanium suppliers.
1. Chemical Composition and Standards
Ti-6Al-4V's properties are primarily determined by the alloy content:
6% Aluminum – Stabilizes the α phase, improving strength and heat resistance
4% Vanadium – Stabilizes the β phase, improving toughness and machinability
|
Element |
AI |
V |
Fe |
O |
C |
Ti |
|
Content (%) |
5.5- 6.75 |
3.5–4.5 |
≤ 0.30 |
≤ 0.20 |
≤ 0.10 |
Balance |
The Factory Test Certificate (MTC) provided by the buyer to the purchaser must include these values. This includes mechanical properties (annealed state) and chemical composition.
Mechanical properties of Grade 5 titanium
| Properties | Typical Values |
| Tensile strength |
≥ 895 MPa (130 ksi) |
| Yield strength (0.2% offset) |
≥ 828 MPa (120 ksi) |
| Elongation |
≥ 10% |
| Elastic modulus |
114 GPa |
| Hardness (Rockwell C) |
33 – 39 |
| Density |
4.43 g/cm³ |
The most crucial factor isn't actually the superior mechanical properties of Ti-6Al-4V itself, but rather its perfect combination of strength and lightweight design. This is the real reason why it's favored across various industries. The difference is even more pronounced when compared to stainless steel-it's twice as strong, yet 40% lighter. Therefore, industries that require both lightweight yet high strength particularly prefer it.
2. Why choose Ti-6Al-4V instead of other grades?
|
Compare with |
Advantage of Ti-6Al-4V |
|
CP Titanium (Grade 2) |
Much higher strength (895 MPa vs 345 MPa) |
|
Grade 9 (Ti-3Al-2.5V) |
Better weldability, but lower high-temperature performance |
|
304 Stainless Steel |
40% lighter, far better corrosion resistance in seawater |
|
7075 Aluminum |
Three times stronger, maintains properties up to 400°C |
The only drawback is machinability-Ti-6Al-4V requires rigid tools and low cutting speeds. Therefore, many buyers also seek CNC machining services for titanium alloys from the same supplier.
3. Purchasing Guide: What You Need to Know Before Ordering
When looking for a titanium alloy manufacturer, ask about the following four things:
| Document / Test
|
Why it matters |
|
Mill Test Certificate (MTC) |
Confirms chemistry & mechanicals meet ASTM/AMS |
|
Ultrasonic (UT) or X-ray |
Detects internal voids (critical for aerospace billets) |
|
Third-party inspection (SGS/BV) |
Optional but adds trust for large orders |
|
Export packaging standard |
Wooden crates, plastic film – avoids sawater corrosion during shipping |
Export Packaging: Wooden crates, plastic film – to prevent seawater corrosion during transportation.
4.Current Market Trends (2026)
Titanium Market Trends in 2026
As of the end of April 2026, the price of Grade 5 titanium has stabilized compared to raw material prices in 2025.
Reference Information:
* The price of ASTM B348 Grade 5 titanium bars from China is typically around **US$45-68/kg (FOB)**, depending on:
* Size
* Quantity
* Certification Requirements
* Product Form
Many buyers are currently turning to annual supply agreements to reduce price volatility and ensure stable delivery times. For price lists or customized size quotes, please contact our team and provide your drawings and required standards.
Ready to purchase Ti-6Al-4V titanium alloy?
We offer titanium alloy products that meet your requirements, ATSM, ASM, ISO quality system certified. Our Changping forms include tubes, sheets, bars, wires, forgings, and customized CNC machined parts. You can send me your drawings, specifications, and standards for review and quotation.
Email: haobowelljs@163.com
WhatsApp/Phone: 8613636823845
