Common Grades and Applications of Titanium Wire —— Baoji ProX Metal Materials: Professional Titanium Wire Solutions

Titanium wireserves as a critical foundational material in high-end manufacturing, offering both performance advantages and broad applicability. It refers to titanium and Titanium Alloy materials in wire or filament form, typically featuring a circular cross-section though custom profiles are available. Leveraging the industrial heritage of Baoji, known as “China's Titanium Valley,”Baoji ProX Metal Materials Co., Ltd. has dedicated years to Titanium Wire R&D and production, offering a full spectrum of products ranging from pure titanium to specialty titanium alloys. Through precise control of alloy composition and heat treatment processes, different grades of titanium wire exhibit differentiated advantages in corrosion resistance, mechanical strength, electrical conductivity, and biocompatibility. These properties enable adaptation to stringent requirements across multiple sectors including new energy, aerospace, and medical devices. Selecting the appropriate titanium wire grade is a core prerequisite for ensuring the stable performance and safe operation of end products.

I. Detailed Specifications and Applications of Each Grade

1.1 Pure Titanium Series (TA1, TA2) — Basic General-Purpose Grade

Pure Titanium Wire excels in high purity and superior corrosion resistance, making it a common choice for industrial and consumer applications. Baoji Pengxin supplies coiled and straight wire products ranging from 0.1mm to 6.0mm in diameter, compliant with GB/T 3623-2007 and ASTM B348 standards.

♦ Grade: TA1 (GR1)

➤ Features:

Titanium purity ≥99.5%, with extremely low impurity content

Excellent ductility, facilitating cold forming

Outstanding corrosion resistance with dense, stable oxide film

Tensile strength: approx. 240-300 MPa; electrical conductivity: 3.1×10⁷ S/m

➤ Condition / Temper: O (Annealed), H14 (Semi-hard), H18 (Hard)

➤ Applications:

Chemical filtration: Woven corrosion-resistant mesh for acid/alkali solution filtration

Electronics: Lead wires and electrodes for precision electronic components

Consumer goods: Base material for eyeglass frames, jewelry, and other luxury accessories

Hydrogen Energy: Porous electrode substrate for water electrolysis hydrogen production equipment​

♦ Grade: TA2 (GR2)​

➤ Characteristics:​

Slightly lower purity than TA1 (titanium content ≥99.0%), with marginally higher strength​

Equivalent corrosion resistance to TA1, offering superior cost-effectiveness​

Tensile strength approx. 300-400MPa, density 4.51g/cm³​

➤ Conditions / Tempering: O, H16, H19​

➤ Applications:​

Offshore engineering: Seawater aquaculture cage frames, marine monitoring equipment connectors

Medical devices: Wire components for conventional surgical instruments

Corrosion protection: Sealing fillers and connectors in corrosive environments

Textile machinery: Wear-resistant textile needles and guide wires

1.2 Titanium Alloy Series (TC4) — High-Strength Specialized Grade

Titanium Alloy Wire significantly enhances strength and heat resistance through the addition of alloying elements like aluminum, vanadium, and tin. It serves as a core material for high-end equipment manufacturing. Baoji Pengxin offers customized heat treatment processes to optimize performance.

♦ Grade: TC4 (Ti-6Al-4V, equivalent to US standard GR5)

➤ Characteristics:

Typical α-β titanium alloy with balanced comprehensive properties

High strength (tensile strength 860-960 MPa) combined with good toughness

Excellent heat resistance, capable of long-term service at 350°C

Possesses moderate electrical conductivity and biocompatibility

➤ Condition / Temper: O, T6 (solution-treated and aged), T4 (solution-treated)

➤ Applications:

Aerospace: Aircraft engine blade fastening wires, spacecraft structural connectors

Medical Devices: Orthopedic implant screws, trauma fixation wires

High-End Manufacturing: High-tensile cables for large-span wind turbine towers, reinforcement components for power lines in heavy ice zones

Sports Equipment: High-strength frame wires for golf clubs, tennis rackets, etc.

1.3 Medical-Grade Series (TA3, TC4 ELI) — Biocompatible

Medical titanium wire must meet stringent biocompatibility requirements. Baoji ProX products are certified for medical applications and offer ultra-fine diameter wire.

♦ Grade: TA3 (GR3)

➤ Features:

High purity, free of allergenic alloy elements

Surface readily forms biocompatible oxide film

Tensile strength 350-450 MPa, moderate ductility

➤ Condition / Temper: O, H14

➤ Applications:

Dental field: Archwires, orthodontic bracket connectors

Minimally invasive instruments: Laparoscopic guide wires and sutures

♦ Grade: TC4 ELI (Ti-6Al-4V ELI)

➤ Features:

Reduced oxygen content enhances biocompatibility

Strength and toughness match human skeletal mechanics

Resistant to bodily fluid corrosion, with implant longevity exceeding 20 years

➤ Condition / Temper: T6, O

➤ Applications:

Orthopedic Implants: Fixation wires for artificial joints, auxiliary wires for intramedullary nails

Cardiovascular: Support wires for cardiac stents, vascular interventional guidewires

1.4 New Energy Special Series (TA10)— — Functionally Enhanced​

Developed by Baoji ProX to meet specialized requirements of the new energy sector, this dedicated titanium wire achieves breakthrough performance in electrical conductivity, creep resistance, and electrolyte corrosion resistance.​

♦ Grade: TA10 (Ti-0.3Mo-0.8Ni) corresponds to ASTM GR12

➤ Features:​

Exceptional resistance to strong acids, particularly vanadium electrolyte​

Corrosion rate <0.01mm/year, suitable for long-term service​

Tensile strength 380-450MPa, excellent machinability​

➤ Condition / Temper: O, H18​

➤ Applications:​

Flow batteries: Collector wire for vanadium flow batteries

Chemical energy storage: Electrode connection wires for acidic storage equipment

II. How to Select Grades?

2.1 For Basic Corrosion Resistance and Cost Efficiency:

Prioritize TA2 pure titanium wire for conventional corrosive environments like chemical filtration and marine aquaculture—the most cost-effective general-purpose choice.

2.2 For High Strength and Structural Stability:

Prefer TC4 titanium alloy wire, widely compatible with aerospace, high-end equipment, and other scenarios requiring high mechanical load resistance, offering balanced overall performance.

2.3 For Medical Implant Applications:

Select based on stress requirements:

For weight-bearing orthopedic applications, choose TC4 ELI;

For dental and minimally invasive instruments, select TA3 to ensure biocompatibility and mechanical compatibility.

2.4 For special conditions in new energy applications:

For strong acid environments like flow batteries, choose TA10 for superior corrosion resistance.

2.5 For ultra-fine diameters and precision forming:

Prioritize GR1 (soft state) or TC4 ELI. Baoji ProX offers ultra-fine wire materials to meet precision electronics and minimally invasive medical requirements.

Baoji ProX Metal Materials Co., Ltd. produces titanium wire using vacuum consumable electrode arc remelting combined with multi-pass cold drawing and intermediate annealing. This ensures uniform composition and dimensional accuracy. Surface treatments like acid pickling or anodizing further enhance performance. Backed by a comprehensive inspection system, every batch undergoes mechanical property, corrosion resistance, and composition analysis testing, delivering stable and reliable titanium wire solutions to global customers. ​

Contact US

Website: www.titaniumprox.com/

Email: info@titaniumprox.com

Address: Taicheng Road, High-Tech Industrial Development Zone, Baoji City, Shaanxi Province, China