Description
Technical Parameters
Products Description
UNS R56400 is the official Unified Numbering System designation for the Ti-6Al-4V titanium alloy. It is the most widely used α+β two-phase titanium alloy, widely known as the "workhorse" of titanium alloys for its balanced high specific strength, excellent corrosion resistance, reliable fatigue toughness and good manufacturability.
UNS R56400 is the UNS designation for Ti-6Al-4V, also known as Grade 5 titanium alloy. It features high strength-to-weight ratio, good corrosion resistance and fatigue performance, which is the most widely-used titanium alloy worldwide.
Chemical Composition (wt.%)
|
Element |
Minimum |
Maximum |
|
Al |
5.50% |
6.75% |
|
V |
3.50% |
4.50% |
|
Fe |
- |
0.30% |
|
O |
- |
0.20% |
|
C |
- |
0.08% |
|
N |
- |
0.05% |
|
H |
- |
0.0125–0.015% |
|
Ti |
Balance |
Balance |
Physical Properties
|
Property |
Value |
|
Density |
4.43 g/cm³ (roughly 60% of steel's density) |
|
Melting point |
~1660 °C (3020 °F) |
|
Elastic Modulus |
114 GPa (16.5 × 10⁶ psi) |
|
Corrosion resistance |
Outstanding in seawater, chloride environments and most mild acidic media |
Mechanical Properties
|
Property |
Specification |
|
Ultimate Tensile Strength |
≥ 895 MPa (130 ksi) |
|
0.2% Offset Yield Strength |
≥ 827 MPa (120 ksi) |
|
Elongation |
≥ 10% |
|
Fracture toughness & fatigue performance |
Good fracture toughness and stable fatigue performance under cyclic loading |
Major Application Fields





Why Choose Us
1. Professional & Focused Expertise
- We focus only on titanium and titanium alloy products, with 13 years of deep experience in Grade5 titanium products.
- Our technical team supports material selection, heat treatment, machining advice and customized solutions.
- Full understanding of international standards: ASTM B348, AMS 4928, GB/T 2965, DIN standards.
2. Guaranteed Material Quality
- 100% genuine Grade5 titanium alloy, no mixing, no substitution.
- Raw materials from qualified titanium ingot manufacturers, with complete mill test certificates.
- Strict internal testing: ultrasonic testing (UT), dimensional inspection, hardness test, PMI composition verification.
3. Stable & Reliable Performance
- Our Grade5 bars feature uniform microstructure, low internal stress, and excellent mechanical properties.
- Available in annealed, solution treated & aged (STA) conditions to meet high-strength requirements.
- Low porosity, stable for high-precision machining, welding and forming.
4. Flexible Customization Capability
- Custom sizes: thickness, width, length according to your drawing or requirement.
- Support rough machined blocks, six-side milled surfaces, or semi-finished blanks.
- Accept small-batch trial orders and large-volume bulk orders.
5. Strict Quality Control System
- Complete quality traceability from raw material to finished product.
- Professional quality inspection before delivery.
- Provide test reports, material certificates and quality documents as required.
6. Competitive Price & Efficient Service
- Factory direct supply, eliminating middleman costs.
- Short production lead time, on-time delivery.
- Professional after-sales support: technical consultation, problem solving, order follow-up.
Long-term supply for aerospace components, medical devices, marine equipment, automotive parts, chemical machinery and military-grade structural parts. Trusted by manufacturers, machining shops, engineering companies and trading partners worldwide.



FAQ about UNS R56400 Ti-6Al-4V Titanium Bar
Q:1.What documents can you provide for each batch?
A: We supply Mill Test Certificate (MTC) including chemical composition and mechanical properties. UT non-destructive testing report and third-party inspection (SGS / BV) are available on request, with full heat-number traceability.
Q:2.What are your payment & packing solutions?
A: Accept T/T, L/C at sight. Packed in anti-moisture plastic film plus solid wooden crates, suitable for sea and air transportation. Custom export documents can be provided for customs clearance.
Q:3.What is the difference between Grade5 and Grade23?
A: Ti-6Al-4V ELI is extra-low interstitial version, with lower oxygen, nitrogen and iron content. It delivers higher fracture toughness, mainly used for surgical implant applications.
Q:4.Are you a direct manufacturer or trading company?
A: We're a manufacturer with more than 13 years of professional production experience in titanium products.
Contact Us
Ruihang, as a direct manufacturer of titanium products, supply optimal quality titanium products for your precision components production.
Our professional service team stands ready to respond to your inquiries. We are committed to delivering trustworthy, high-quality, and reliable products. The complete after-sales support ensure your complete satisfaction.
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