Sep 04, 2025 Leave a message

A Review on the Chemical Composition and Properties of Ti-3Al-2.5V Titanium Alloy

GNEE hot-selling products

Titanium Seamless Pipe

ASTM B861 Titanium Alloy Seamless Pipe

Gr23 Medical Titanium Tube

Ti-6A1-4V Medical Titanium Alloy Rod

GR7 GR9 Precision Titanium Alloy

Titanium Grade 1 Strip Coil

Pure Titanium Wire

 

Titanium alloys, as high-performance materials, have been widely used in various fields such as aerospace, chemical engineering, and medical devices due to their excellent mechanical properties and corrosion resistance. Among numerous titanium alloys, Ti-3Al-2.5V titanium alloy has become a research and application hotspot due to its unique chemical composition and outstanding comprehensive properties.

Basic Composition of Ti-3Al-2.5V Titanium Alloy

The main chemical components of Ti-3Al-2.5V titanium alloy are titanium (Ti), aluminum (Al), and vanadium (V). Among these, titanium is the matrix element, accounting for over 90% of the composition, providing the alloy with high strength, low density, and excellent corrosion resistance. Aluminum, with a content of 3%, serves as a strengthening phase-forming element, significantly enhancing the alloy's strength and high-temperature resistance. Vanadium, with a content of 2.5%, acts as a β-stabilizing element, contributing to the alloy's plasticity and toughness.

 

Influence of Elements on Alloy Properties

Role of Aluminum
Aluminum plays a key strengthening role in the Ti-3Al-2.5V titanium alloy. It not only stabilizes the α-phase structure of the alloy, improving its high-temperature strength and oxidation resistance but also enhances the alloy's processability and surface hardness. However, excessive aluminum content may reduce the alloy's toughness and increase the risk of brittleness. Therefore, the aluminum content must be precisely controlled to maintain a balance between strength and toughness.

Role of Vanadium
Vanadium, as a β-stabilizing element, primarily enhances the plasticity and toughness of the Ti-3Al-2.5V titanium alloy. It expands the β-phase region, allowing the alloy to maintain good ductility and processability over a wider temperature range. Additionally, vanadium improves the alloy's corrosion resistance, particularly in chloride environments. However, excessive vanadium content can lead to coarse grain formation at high temperatures, adversely affecting mechanical properties and fatigue strength.

Ti6AL4V Sheet Gr5 Titanium Plate
Titanium Sheet 6AL4V Eli
Pure Gr1 Titanium Sheet
Pure Titanium Plate

Phase Structure and Properties of the Alloy

The phase structure of the Ti-3Al-2.5V titanium alloy mainly consists of α-phase, β-phase, and α+β phases. The α-phase has a hexagonal close-packed (HCP) structure, exhibiting high strength and good corrosion resistance, while the β-phase has a body-centered cubic (BCC) structure, offering high ductility and plasticity. By adjusting the aluminum and vanadium content and employing heat treatment processes, the ratio of α-phase to β-phase in the alloy can be precisely controlled to optimize its comprehensive properties.

 

Application Prospects of Ti-3Al-2.5V Titanium Alloy

Thanks to its excellent strength, toughness, and corrosion resistance, the Ti-3Al-2.5V titanium alloy demonstrates broad application potential in various fields, including aerospace, chemical engineering, and medical devices. In the aerospace sector, it has become an important structural material used in manufacturing aircraft fuselages, engine components, and other critical parts. In the chemical industry, its corrosion resistance makes it an ideal choice for corrosion-resistant equipment and pipelines. Furthermore, in the medical field, the Ti-3Al-2.5V titanium alloy is widely used for manufacturing implants and surgical instruments due to its good biocompatibility.


In summary, the Ti-3Al-2.5V titanium alloy, with its unique chemical composition and excellent properties, has become one of the most important materials in modern engineering. In the future, with advancements in technology and processing techniques, the application areas of the Ti-3Al-2.5V titanium alloy will further expand. Simultaneously, in-depth research on alloy composition optimization and novel heat treatment processes will further enhance its comprehensive properties to meet more demanding engineering application requirements. Therefore, further research and development of the Ti-3Al-2.5V titanium alloy will provide strong support for technological progress and innovation in related industries.

 

Titanium products provided by GNEE

CNC machined parts

Machining Equipment

10 CNC Tapping Center, 260CNC Lathes,200 auto lathe,2 MAZAK five axis CNC, etc. We increase about 10 lathes every month

Processing

Turning, Milling, Drilling, Tapping, Knurling,Wire EDM ,Grinding,Engraving,Knurling,etc.

Tolerance

+/-0.005mm

Material Workable

Copper,Steel, Aluminum, Brass, Stainless Steel, Titanium, Plastics (PEEK,ABS, Teflon,Acrylic , Delrin, PP, PMMA, PC, POM,
polyethylene,PVC,Nylon), Organic Glass, Carbon Fiber, Wood etc.Other materials your requested.

Surface Treatment

Nickel Plating, Anodizing, Chorme Plating, Brushing, Polishing, Blacken, Powder coating, Sandblasting, de-buring,
Electrophoresis,Passivation, etc.

Drawing Format

JPEG, PDF, DWG, DXF, IGS, STEP, CAD

MOQ

No MOQ Required, 1 PC is fine for us.

Lead Time

1-30 days accordingly to your orders.

Quality System

100% inspection before shipment, (CMM, Projector, Gauge and other inspection tools)

Size

Customization

Standard

OEM/ODM

FOB Port

Xiamen,China

Pay ment

50% T/T in advance,50 % before shipment . Accept T/T L/C ,Escrow,paypal,Western Union

Packing

Carton box, wooden case, pallet, etc.

Shipping

By sea,by air,by DHL ,UPS, FedEx, TNT or EMS,ect.

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Titanium tube

Name

Titanium Tube & Pipe

Material

Pure Titanium/ Titanium Alloy

Standard

GB/T 3624,GB/T 3625,GB/T 26057

ASTM B337,ASTM B338,ASTM B861,ASTM B862

JIS H 4630

Common Grade

National standard grades: TA1, TA2, TC4, TA9, TA18, TA10
American standard grades: GR1, GR2, GR5, GR7, GR9, GR12



Size

Length: 50-6000mm or according to customer requirements

Outer diameter: 3-300mm or according to customer requirements

Wall thickness: 0.2-5.5mm or according to customer requirements

Section shape

Round / Square/Oval/Spiral/Bar

Surface

Bright annealing, Pickling,Polishing

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Titanium rod

Material
Pure titanium and Titanium alloy
Titanium Grade
GR1/GR2/GR3/Gr4/GR5/GR7/GR9/GR12/Gr5Eli/Gr23
Standard
ASTM B348/ASME SB348, ASTMF67, ASTM F136, ISO-5832-2(3),AMS 4928 etc
Shape
Titanium round rod/bar, Titanium square rod/bar,Titanium flat rod/bar
Titanium rectangle rod/bar, Titanium hex rod/bar
Diameter
1-300mm,customizable
Length
50mm-6000mm,customizable
Tolerance
h6~h13 H10~H13
Surface
Bright/Polished/ Machined
Main Technique
Hot Forged; Hot Rolled; Cold drawn; Straighten etc
Heat Treatment
Usually are Annealled,but Solid Solution & Aging can be also OK
Material Milling Certificate
According to. EN 10204.3.1
Including Chemical composition and Mechanical property
Application
Metallurgy, Electronics, Medical, Chemical, Petroleum, Pharmaceutical, aerospace, etc.

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Titanium sheet/plate/strip

Grade

GR1,GR2,GR3,GR5,GR6,GR7,GR9,GR11,GR12, etc.
BT1-00,BT1-0,BT1-2, etc.
TA0,TA2,TA3,TA5,TA6,TA7,TA9,TA10,TB2,TC1,TC2,TC3,TC4, etc.

Standard

ASTM B265,ASTM F136,ASTM F67,AMS4928
GB/T3621-2007,GB/T13810-2007

Size

0.5-5.0mm x 1000mm x 2000-3500mm (Thickness x Width x Length)
6.0- 30mm x 1000-2500mm x 3000-6000mm
30- 80mm x 1000mm x 2000mm

Application

Metallurgy, electronics, machinery, medical treatment, chemical industry, petroleum, medical treatment, aerospace

Supply status

M (Y/ R/ ST)

Feature

High corrosion resistance, low density, good thermal stability

Technics

Hot Forged, Hot Rolled, Cold Rolled, Annealing, Pickling

Surface

Bright, Polished, Pickling, Acid cleaning, Sandblasting

Packing

Export Standard Woodcase

Payment terms

T/T, L/C, D/A, D/P, Escrow, Western Union, PayPal

Certificate

ISO 9001:2008; The third test report; TÜV Rheinland;

Delivery time

7-15days according to the quantity and process of the product

Quality and test

Hardness test, Bending test, Hydrostatic etc.

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Titanium wire

Wire Shape

Round Wire

Diameter Range(mm)

0.1-2.5

Standards

ASTM F2063,GB 24627

Diameter Tolerance

±0.001mm

Surface Finish

Black Oxidized, Lightly Oxidized, Bright, Ultra Bright, Polished, Clean

Delivery Condition

Straightened superelastic , Cold-worked

Supply Form

Spool wound, Straight

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4242
 
 

About Us

GNEE is a trusted exporter of high-purity titanium raw materials. We utilize advanced forging and precision CNC machining to ensure superior product quality. Every shipment is guaranteed through a rigorous pre-shipment inspection process, verifying chemical composition, mechanical properties, and dimensional accuracy to meet global standards.

 

Email:sale@gneemetal.com

 
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8000+

Cooperating Partner

 
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Years Experience

 

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