Description
✨ Trusted Ti-5Al-2.5Sn Titanium Plate (GR6) – AMS 4919 Aerospace Alloy
📌 Introduction
The Ti-5Al-2.5Sn Titanium Plate (GR6), also referred to as AMS 4919 Titanium Plate or UNS R54520 Titanium Alloy, is a high-performance α-type titanium alloy. While not officially classified in the ASTM Grade series, it is widely recognized in aerospace engineering as Grade 6 Titanium Plate.
This material offers a unique balance of lightweight properties, high tensile strength, thermal stability, and corrosion resistance, making it an excellent choice for aerospace, marine, and high-performance industrial applications.
👉 Engineers and procurement managers often select Ti-5Al-2.5Sn Titanium Plate (GR6) when they require stronger material than commercially pure titanium (Grades 1–4) but need better weldability and corrosion resistance than β alloys.
🧪 Chemical Composition (Typical)
The alloying design of Ti-5Al-2.5Sn Titanium Plate ensures strength and stability at elevated service temperatures, while keeping density low.
| Element | Content (%) |
|---|---|
| Aluminum (Al) | 4.5 – 5.5 |
| Tin (Sn) | 2.0 – 3.0 |
| Iron (Fe) | ≤ 0.30 |
| Oxygen (O) | ≤ 0.20 |
| Carbon (C) | ≤ 0.08 |
| Nitrogen (N) | ≤ 0.05 |
| Hydrogen (H) | ≤ 0.015 |
| Titanium (Ti) | Balance |
✅ Aluminum increases strength and reduces density.
✅ Tin stabilizes the α phase, improving creep resistance at high temperatures.
✅ Trace limits on oxygen, carbon, nitrogen, and hydrogen maintain ductility and toughness.
⚙️ Mechanical Properties
The Ti-5Al-2.5Sn Titanium Plate (GR6) exhibits robust mechanical performance in annealed and heat-treated conditions.
| Property | Typical Value |
|---|---|
| Tensile Strength | ~825 MPa |
| Yield Strength | ~760 MPa |
| Elongation | 10–15% |
| Elastic Modulus | ~110 GPa |
| Density | 4.5 g/cm³ |
| Hardness (HV) | ~280 HV |
| Service Temperature | Up to 425 °C |
📌 Compared to GR2 Titanium Plate, this alloy delivers nearly double the strength, while still maintaining reliable weldability and corrosion resistance.
🏗 Key Features & Advantages
✨ Lightweight Efficiency
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Density of 4.5 g/cm³ provides an exceptional strength-to-weight ratio.
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Ideal for aerospace structures where weight reduction is critical.
✨ High Strength & Stability
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Maintains strength up to 425 °C.
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Offers higher tensile and yield strength compared to CP titanium plates.
✨ Superior Corrosion Resistance
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Performs excellently in marine and saltwater environments.
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Resistant to stress corrosion cracking and oxidation.
✨ Weldability & Fabrication
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Easier to weld and process compared to many β titanium alloys.
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Supports forming, machining, and annealing processes.
✨ Certified Aerospace Material
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Meets AMS 4919 and UNS R54520 standards.
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Trusted in aerospace, defense, and energy sectors.
🛠 Applications of Ti-5Al-2.5Sn Titanium Plate
✈️ Aerospace & Aviation
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Aircraft fuselage skins and wing panels
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Gas turbine engine casings and compressor parts
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Aerospace fasteners, brackets, and support frames
⚓ Marine & Naval Industry
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Submarine hull components
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Corrosion-resistant naval equipment
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Offshore structures exposed to seawater
🏭 Industrial Applications
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Heat exchangers in chemical processing
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Power plant condensers
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Industrial valves and piping systems
🧪 Research & Advanced Engineering
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Experimental aerospace structures
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High-temperature test rigs
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Specialty scientific equipment
🔎 Standards & Designations
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AMS 4919: Plate specification for aerospace use
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AMS 4920: Bar and forging specification
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UNS R54520: Unified Numbering System designation
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Commonly referred to as GR6 Titanium Plate in commercial terms
⚠️ Note: “GR6” is not an ASTM Grade, but widely used in the aerospace industry as a shorthand for Ti-5Al-2.5Sn Alloy.
📊 Comparison with Other Titanium Grades
| Alloy | Type | Strength | Corrosion Resistance | Temperature Resistance | Applications |
|---|---|---|---|---|---|
| GR2 | CP Titanium | Low | Excellent | Moderate | Chemical equipment |
| GR5 (Ti-6Al-4V) | α+β Alloy | Very High | Good | High | Aerospace, medical |
| GR7 (Ti-0.2Pd) | CP Titanium | Low | Excellent (with Pd) | Moderate | Chemical industry |
| Ti-5Al-2.5Sn (GR6) | α Alloy | Medium-High | Excellent | High (to 425 °C) | Aerospace, marine |
👉 From the comparison, Ti-5Al-2.5Sn Titanium Plate (GR6) provides a balanced performance profile, bridging the gap between pure titanium and the widely used Ti-6Al-4V (GR5).
🌍 Global Market Demand
The demand for AMS 4919 Titanium Plate is particularly strong in the aerospace and defense industries, where certified alloys are required for structural reliability. With the increasing production of commercial aircraft and defense programs worldwide, GR6 Titanium Plate continues to be a vital material.
Industrial buyers also seek UNS R54520 Titanium Plate for heat exchangers and chemical equipment due to its resistance to corrosion and high-temperature degradation.
📦 Processing & Supply Capabilities
We supply Ti-5Al-2.5Sn Titanium Plate (GR6) in:
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Thickness: 0.5 mm to 100 mm
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Width: up to 2000 mm
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Length: up to 6000 mm
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Condition: Annealed, Stress Relieved, Hot Rolled, or Custom Heat Treatment
Additional services:
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Cutting to customer size requirements
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Surface finishing (polished, pickled, or sandblasted)
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Certification (AMS, EN10204 3.1, chemical & mechanical reports)
📌 Why Choose Ti-5Al-2.5Sn Titanium Plate (GR6)?
✔ Professional aerospace alloy certified to AMS 4919
✔ Lightweight yet strong enough for demanding engineering
✔ Outstanding resistance to marine and chemical environments
✔ Reliable at elevated temperatures (up to 425 °C)
✔ Suitable for welding, machining, and forming
📞 Contact Us
Looking for a trusted supplier of Ti-5Al-2.5Sn Titanium Plate (GR6)?
We provide certified AMS 4919 Titanium Plate with full test reports and custom processing options.
📧 Email: sales@niticu.com
📞 Phone / WhatsApp / WeChat: +86 13335373172
🏭 Factory: Baotai Road Industrial Park, High-tech Zone, Baoji City, Shaanxi, China
🌐 Website: https://niticu.com
📩 Contact us today for quotations, technical support, and free samples – we respond within 24 hours!
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