titanium Alloy Ti5Al2.5Sn
Available Forms:
Billet, bar, rod, wire: ASTM B348
Plate, sheet: ASTM B265
Applications:
Gas turbine engine casings and rings, Aerospace structural members, Chemical processing equipment
Titanium Alloy Ti5Al2.5Sn – High-Performance Alpha Alloy for Aerospace & Cryogenic Applications
LINHUI TITANIUM manufactures precision-grade titanium Alloy Ti5Al2.5Sn (UNS R54520) with full ASTM B348 and B265 compliance. This alpha-phase alloy delivers exceptional weldability and creep resistance up to 480°C, ideal for gas turbine engine casings and cryogenic hydrogen storage systems.
Our fabric meets ductile quality of 827 MPa least with prevalent joint productivity drawing nearer 100%. Accessible shapes incorporate billets, bars, poles, wires per ASTM B348, and plates/sheets per ASTM B265. We supply both standard and ELI (Additional Moo Interstitial) grades for aviation basic individuals and chemical handling equipment.
With over 200 tons in-stock and 24-hour designing bolster, we serve clients over North America, Europe, and Southeast Asia.
Key Features & Benefits
Superior Weldability: Unlike beta amalgams, this fabric offers crack-free welding without post-weld warm treatment. You get uniform mechanical properties over weld zones.
Cryogenic Toughness: ELI variation keeps up ductility at -253°C for hydrogen foundation. Anticipates delicate break in extraordinary cold.
High-Temperature Stability: Operates persistently at 480°C with great crawl resistance. Beats immaculate titanium in aviation hot areas.
Ti-5Al-2.5An Density
| Physical Properties | Metric |
| Density | 4.48 g/cc |
Titanium Grade 6 Chemical Composition:
| Elements | Metric |
| Aluminum, Al | 5.00% |
| Iron, Fe | <= 0.25 % |
| Oxygen, O | <= 0.12 % |
| Tin, Sn | 2.50% |
| Titanium, Ti | 92.50% |
UNS R54521 (ELI) Mechanical Properties
| Mechanical Properties | Metric |
| Hardness, Brinell | 311 |
| Hardness, Knoop | 337 |
| Hardness, Rockwell C | 33 |
| Hardness, Vickers | 325 |
| Tensile Strength, Ultimate | 775 MPa |
| Tensile Strength, Yield | 720 MPa |
| Elongation at Break | 18% |
| Creep Strength | 276 MPa |
Manufacturing Process
Vacuum Bend Remelting (VAR): Double or triple dissolving guarantees moo considerations. You get fabric free from high-density impurities.
Controlled Rolling: Thickness resilience held inside ±0.05mm. Keeps up steady shaping behavior over batches.
Annealing Treatment: Stress-relief strengthening at 700-800°C produces uniform alpha microstructure. Evacuates leftover stresses from forging.
Chemical Milling: Removes oxygen-enriched alpha case from surfaces. Avoids fragile breaking amid shaping operations.
Quality Inspection
Ultrasonic Testing (AMS 2631 Lesson A): 100% review recognizes inner voids. Guarantees auxiliary keenness for basic aviation parts.
Interstitial Investigation (LECO Method): Controls oxygen underneath 0.15% for ELI grades. Ensures cryogenic sturdiness specifications.
Microstructure Confirmation (ASTM E3): Confirms equiaxed alpha structure. Kills beta-phase isolation that debilitates joints.
Surface Hardness Testing: Validates alpha case evacuation. Avoids embrittlement amid service.

Applications
Gas Turbine Motor Components: Compressor casings and stator rings withstand warm cycling. Fabric stands up to crawl distortion in maintained flight operations.
Cryogenic Capacity Systems: Liquid hydrogen tanks for aviation and mechanical utilize. ELI review anticipates delicate break at -253°C.
Airframe Ducting: Hot-air conduits and water powered lines advantage from tall strength-to-weight proportion. Keeps up erosion resistance against cruel liquids.
Export Markets
We have shipped titanium Alloy Ti5Al2.5Sn to aerospace manufacturers and chemical plants in:
North America: USA, Canada
Europe: Germany, France, UK
Middle East: UAE, Saudi Arabia
Asia-Pacific: Japan, South Korea, Singapore
Our products support projects with CEFC, PETRONAS, and leading turbine engine OEMs.
Why Choose Us?
Coordinate Process Supply: Factory estimating kills go betweens. You get competitive rates with ensured quality.
Fast Turnaround: Stock orders dispatch in 3-7 days. Custom creation completed inside 25-40 days.
Full Traceability: Every clump incorporates EN 10204 3.1 certificates. Warm numbers guarantee compliance tracking.
Engineering Support: In-house metallurgists give fabric choice direction. We audit your drawings inside 24 hours.

Packaging & Shipping
Standard Packaging: Wooden cartons with dampness boundaries. Bars/billets bundled with steel strapping.
Surface Protection: Plastic caps on pipe closes. Sheets interleaves with defensive film.
Documentation: Commercial receipt, pressing list, MTC certificates, and third-party review reports (SGS/BV available).
Shipping Methods: Sea cargo for expansive orders. Discuss cargo for pressing requirements.
FAQ
Q: Can I weld this amalgam without splitting risks?
A: Yes. The alpha structure guarantees fabulous weldability with TIG/MIG strategies. No post-weld warm treatment required for standard applications.
Q: What's the distinction between standard and ELI grades?
A: ELI has lower oxygen/iron substance (O<0.15%, Fe<0.25%) for superior cryogenic toughness. Standard grade optimizes high-temperature strength.
Q: Is heat treatment possible for strengthening?
A: No. This alpha alloy relies on solid solution hardening. Supplied in annealed condition for optimal ductility.
Q: What's your minimum order quantity?
A: We support trial orders starting from 100 kg. Stock items available for immediate shipment.
Q: How do you control alpha case formation?
A: Chemical milling removes oxygen-enriched surface layers. Surface hardness testing validates complete removal before delivery.
Request a Quote
Need custom dimensions or ELI-grade titanium Alloy Ti5Al2.5Sn for your project? Contact our engineering team at linhui@lhtitanium.com for technical consultation and quotations within 4 hours.










