Gr2 Titanium Wire for Chemical and Medical
Grade 2 Titanium Wire (CP Titanium Wire) is known for its excellent corrosion resistance, good formability, and lightweight properties. It is widely used in chemical equipment, seawater desalination, heat exchanger binding wires, and medical devices.
Chalco Titanium offers Grade 2 Titanium Wire that meets ASTM B863 / ASTM F67 standards, with standard specifications Ø0.10 – 6 mm available in stock, and custom sizes up to Ø10 mm. We also provide EN 10204-3.1 material certificates and ISO certifications, ensuring compliance and fast delivery, with samples shipped within 2 weeks.
Specifications of Gr2 Titanium Wire
| Alloy | Gr2 / Grade 2 Titanium Wire / UNS R50400 |
|---|---|
| Wire Diameter | Standard Ø0.10 mm - 6.00 mm(0.004" - 0.236") Custom sizes up to Ø10 mm |
| Common AWG | 14 AWG≈1.63 mm│16 AWG≈1.29 mm│18 AWG≈1.02 mm |
| Tolerance | Ø≤0.50 mm:±0.01 mm 0.50 ＜Ø≤ 1.50 mm:±0.02 mm Ø>1.50 mm:±0.03 mm |
| Condition | Annealed / Cold-Drawn |
| Surface | Bright / Pickled / Polished |
| Coil / Supply Form | D100 / D200 / D300 Coil Straight bars (≤ 3 m) |
| Standards | ASTM B863 / UNS R56400 / AWS A5.16 (ERTi-5) / AMS 4954 / ISO 5832-3 |
Common Purchase Size Examples
- 14 AWG ≈ 1.63 mm — Seawater desalination binding wire
- 18 AWG ≈ 1.02 mm — Welding filler wire (ERTi-2)
- 24 AWG ≈ 0.51 mm — Medical guide wire
Need a full AWG to mm conversion chart? [Click here to view the AWG to mm conversion chart.]
Technical Specifications & Industry Standards
Gr2 Chemical Composition (ASTM B863)
| Element | Content (Weight %) |
|---|---|
| Oxygen (O) | ≤ 0.25 |
| Nitrogen (N) | ≤ 0.03 |
| Carbon (C) | ≤ 0.08 |
| Hydrogen (H) | ≤ 0.015 |
| Iron (Fe) | ≤ 0.30 |
| Titanium (Ti) | Balance (Remaining) |
Grade 2 Tensile Strength (Annealed Condition)
| Property | Value |
|---|---|
| Tensile Strength (UTS) | ≥ 345 MPa (50 ksi) |
| Yield Strength (YS - 0.2% Offset) | ≥ 275 MPa (40 ksi) |
| Elongation | ≥ 20% |
| Modulus of Elasticity | 103 GPa |
Standards Applied
- ASTM B863 — Titanium and Titanium Alloy Wire Standard
- ASTM F67 / ISO 5832-2 — Medical Pure Titanium Wire Standard
- AWS A5.16 ERTi-2 — Welding Wire Standard
- EN 10204-3.1 — Material Certificate (Available upon request)
Note: For medical or welding projects, please specify standard requirements when requesting a quote. Chalco can customize compliant production.
Need a full performance report or standard comparison? Click below to get the datasheet or contact an engineer to confirm your application compatibility.
Advantages of Grade 2 Titanium Wire
- 1. Outstanding Corrosion Resistance: Gr2 Titanium Wire offers excellent corrosion resistance in chlorides, seawater, and chemical media, significantly reducing equipment maintenance costs.
- 2. Lightweight: With a density of only 4.51 g/cm³, Gr2 Titanium Wire is approximately 40% lighter than steel, enabling lightweight design and improving energy efficiency.
- 3. Excellent Formability and Weldability: In the annealed condition, it is suitable for cold working, welding, and precision manufacturing processes.
- 4. Medical-Grade Biocompatibility: Compliant with ASTM F67 and ISO 5832-2 standards, offering excellent biocompatibility, making it suitable for medical devices and implants.
- 5. Cost-Effective: Compared to Gr5, Gr2 is more cost-effective, making it the preferred material for applications requiring high corrosion resistance but moderate strength, such as chemical processing and seawater desalination.
Typical Applications of Grade 2 Titanium Wire
Chemical Equipment & Seawater Desalination
Spec: Ø 1.0 – 1.6 mm (18 – 14 AWG)
Gr2 Titanium Wire is widely used in chlor-alkali, electrolysis, and seawater desalination processes as binding wire and cathode hangers. Its corrosion resistance to chlorides is significantly superior to stainless steel, extending its lifespan by over 3 times and reducing frequent replacements.
Heat Exchanger Binding Wire
Spec: Ø 1.2 – 1.6 mm (16 – 14 AWG)
Used for securing titanium tube bundles in heat exchangers, ensuring structural stability and preventing corrosion debris contamination. Its corrosion resistance is several times higher than that of copper-based or stainless steel binding wires, making it ideal for long-term operation.
Medical Devices & Surgical Wires
Spec: Ø 0.3 – 0.6 mm (28 – 23 AWG)
Compliant with ASTM F67 and ISO 5832-2 standards, Gr2 Titanium Wire is commonly used for surgical fixation wires, guide wires, and micro springs. It offers excellent biocompatibility and avoids metal ion release, reducing the risk of inflammation compared to stainless steel.
Welding Filler Wire (ERTi-2)
Spec: Ø 1.0 mm, Ø 1.6 mm
Compliant with AWS A5.16 ERTi-2 standard, suitable for TIG/MIG welding. Compared to carbon steel welding wires, Gr2 Titanium Wire provides longer corrosion resistance of the welds in chemical environments, reducing maintenance frequency.
Not sure which specification is best for your project? Click below to get a professional selection and pricing solution.
Manufacturing Process & Deep Processing
Manufacturing Process
Chalco Titanium Wire production follows a fully traceable process control to ensure consistent chemical composition, dimensional tolerance, and stable performance. The process includes:
Vacuum Melting → Secondary Remelting → Hot Forging / Extrusion → Multiple Cold Drawing Passes (Bright Drawing) → Vacuum Annealing → Surface Purification → Coiling / Cut to Length
- Purity Guarantee: VIM + VAR double vacuum melting ensures O/H/Fe levels are controlled to 20% below standard limits
- Precision Control: PLC-controlled drawing equipment, with tolerances controllable to ±0.01 mm
- Cleanliness Process: Vacuum annealing + triple purification (Pickling → Ultrasonic Cleaning → Argon Drying), with surface oxide layer ≤ 0.3 μm
For Gr1 Titanium Wire, the annealed condition is more prevalent, ensuring excellent ductility to meet the requirements for explosive cladding, medical applications, and titanium wire mesh weaving.
Deep Processing & Delivery Capability
Delivery Assurance: Standard specifications can be delivered within 4-6 weeks, with samples available in as little as 2 weeks.
Flexible Customization: Supports various wire diameters, coil specifications, and surface treatments to meet diverse application needs such as aerospace, medical, and additive manufacturing.
Deep Processing Services:
- Cut to Length (tolerance ±0.5 mm)
- End Chamfering / Precision Grinding to improve assembly efficiency
- Mirror Polishing (Ra ≤ 0.2 µm)
- Medical-Grade Ultrasonic Cleaning (Particle residue < 25 µm)
- Third-Party Testing: SGS / BV certification included with shipments
Chalco Titanium Advantages as a Supplier
Quality & Certification in One Go
ISO 9001 + AS9100D dual system certifications, accompanied by EN 10204-3.1 material certificates and barcode traceability. SGS/BV third-party reports available with shipments, ensuring traceability and reliable quality for every coil of titanium wire.
Stock & Small Batch, Predictable Delivery
Standard specifications from 0.10 – 6 mm are available in long-term stock, with a minimum order quantity of 1 kg and samples shipped within 2 weeks. We support DDP/DAP door-to-door logistics, ensuring no production line downtime due to material shortages for urgent projects.
24/7 Engineering Support
Dedicated engineers are available around the clock to assist with AWG-mm conversions, welding parameters, product selection comparisons, and other technical issues, reducing communication and trial-and-error costs.
Need certification documents or real-time inventory? Click below to request a quote, and Chalco Titanium will provide a solution within the same day.
Grade 2 vs Grade 5 Titanium Wire
| Comparison Item | Gr2 Titanium Wire (Grade 2) | Gr5 Titanium Wire (Ti-6Al-4V) |
|---|---|---|
| Tensile Strength | ≥ 345 MPa | ≥ 895 MPa |
| Elongation | ≥ 20% | ≥ 10% |
| Corrosion Resistance | Excellent | Good |
| Density | 4.51 g/cm³ | 4.43 g/cm³ |
| Biocompatibility | Excellent, complies with ASTM F67 | Good, suitable for structural components |
| Formability | Best for cold working & welding | Difficult to process, requires controlled heat treatment |
| Typical Applications | Chemical processing, seawater desalination, medical devices | Aerospace, additive manufacturing, high-stress components |
Gr2 Titanium Wire is known for its outstanding corrosion resistance and excellent formability, making it ideal for corrosive and medical-grade applications. In contrast, Gr5 Titanium Wire is favored for its high strength and lightweight properties, making it better suited for high-stress structural components. The choice depends on application requirements: Gr2 for corrosion resistance, Gr5 for high strength.
Not sure which to choose? Click below for an application comparison analysis and pricing solution.
FAQ
What is the difference between Gr2 Titanium Wire and Gr5 Titanium Wire?
Gr2 Titanium Wire is known for its superior corrosion resistance and formability, making it ideal for chemical processing, seawater desalination, and medical applications. Gr5 Titanium Wire, on the other hand, offers higher strength and is used in aerospace and high-load structural components.
Can Gr2 Titanium Wire be used for medical devices?
Yes, Gr2 Titanium Wire complies with ASTM F67 and ISO 5832-2 standards, offering excellent biocompatibility. It also supports ultrasonic cleaning and material certification, meeting medical-grade cleanliness requirements.
Can Gr2 Titanium Wire be used for welding?
Yes, Gr2 Titanium Wire is suitable for TIG/MIG welding and complies with AWS A5.16 (ERTi-2) standards. Chalco provides annealed wire, ensuring dense welds and excellent corrosion resistance.
Can Gr2 Titanium Wire meet the long-term requirements of chemical and seawater desalination environments?
Yes, Gr2 Titanium Wire offers excellent long-term corrosion resistance in chloride and seawater environments, far exceeding stainless steel. It is commonly used for heat exchanger binding wires and cathode hangers, significantly extending equipment lifespan.
