Titanium Grade 2 Capillary Tubes, Titanium Grade 2 Capillary Tube Manufacturer,Titanium Grade 2 Capillary Tube Supplier, Titanium Grade 2 Capillary Tube Exporter,Titanium Grade 2 Precision Tubing, Titanium Grade 2 Small Diameter Tube ,Titanium Grade 2 Instrumentation Tubes
Titanium Grade 2 capillary tubes are precision-engineered thin-walled tubes made from commercially pure titanium. Grade 2 titanium is the most commonly used among all titanium grades due to its excellent balance of strength, corrosion resistance, and workability. These tubes are specifically designed with extremely small diameters and tight tolerances, making them ideal for applications requiring high precision and cleanliness.
Titanium Grade 2 is an unalloyed titanium that offers a combination of moderate strength and high corrosion resistance. It is often referred to as CP (commercially pure) titanium. With a tensile strength of around 344 MPa and excellent ductility, Grade 2 titanium is easy to fabricate and weld, which is crucial for producing intricate capillary tubes used in sensitive applications.
The manufacturing of titanium Grade 2 capillary tubes involves several critical steps, including extrusion, drawing, annealing, and surface finishing. Precision cold drawing is used to achieve the small diameters and thin walls required. The tubes are then annealed to relieve internal stresses and improve flexibility. Cleanroom environments may be used to ensure cleanliness, especially for medical or high-tech uses.
Capillary tubes made from Grade 2 titanium typically have very small outer diameters—often ranging from less than 1 mm to several millimeters—with wall thicknesses as low as 0.1 mm. Dimensional tolerances are extremely tight, sometimes in the micrometer range, to meet the stringent demands of industries like aerospace, medical, and analytical instrumentation.
Specification of Titanium Grade 2 Capillary Tubes
| Property | Specification |
|---|---|
| Material | Titanium Grade 2 (UNS R50400, ASTM B338/B861) |
| Purity | ≥ 99.2% Titanium |
| Outer Diameter (OD) | 0.3 mm – 12.0 mm (custom sizes available) |
| Wall Thickness | 0.05 mm – 1.5 mm |
| Length | Up to 6 meters (custom lengths on request) |
| Tolerances | OD and wall thickness: ±0.01 mm or as specified |
| Density | 4.51 g/cm³ |
| Tensile Strength | ≥ 344 MPa |
| Yield Strength | ≥ 275 MPa |
| Elongation | ≥ 20% |
| Corrosion Resistance | Excellent in oxidizing and marine environments |
| Surface Finish | Bright annealed / Polished / Custom |
| Standards Compliance | ASTM B338, ASTM B861, AMS 4942 |
| Applications | Medical, Aerospace, Instrumentation, Chemical, Marine |
| Biocompatibility | Fully biocompatible; suitable for medical use |
Titanium Grade 2 offers moderate mechanical strength with excellent elongation and ductility. It has a tensile strength of approximately 240 MPa and a yield strength of around 270 MPa, with elongation values exceeding 24%. These properties enable cold forming, bending, and coiling without cracking — even at capillary tube sizes.
Chemical Composition of Titanium Grade 2 Capillary Tubes
| Element | Symbol | Weight % (Max unless specified) |
|---|---|---|
| Titanium | Ti | Balance |
| Iron | Fe | 0.30 |
| Oxygen | O | 0.25 |
| Carbon | C | 0.08 |
| Nitrogen | N | 0.03 |
| Hydrogen | H | 0.015 |
| Other elements, each | — | 0.10 |
| Other elements, total | — | 0.40 |
With a proven track record as a Titanium Grade 2 Capillary Tubes exporter in over 30 countries, Sumer Metal Industries ensures global availability, third-party inspection support, and client-specific customization. Our wide export network combined with strict quality standards has made us a preferred choice for SS Grade 2 tubing worldwide.
Specification of Titanium Grade 2 Capillary Tubes
| Property | Specification |
|---|---|
| Material | Titanium Grade 2 (UNS R50400, ASTM B338/B861) |
| Purity | ≥ 99.2% Titanium |
| Outer Diameter (OD) | 0.3 mm – 12.0 mm (custom sizes available) |
| Wall Thickness | 0.05 mm – 1.5 mm |
| Length | Up to 6 meters (custom lengths on request) |
| Tolerances | OD and wall thickness: ±0.01 mm or as specified |
| Density | 4.51 g/cm³ |
| Tensile Strength | ≥ 344 MPa |
| Yield Strength | ≥ 275 MPa |
| Elongation | ≥ 20% |
| Corrosion Resistance | Excellent in oxidizing and marine environments |
| Surface Finish | Bright annealed / Polished / Custom |
| Standards Compliance | ASTM B338, ASTM B861, AMS 4942 |
| Applications | Medical, Aerospace, Instrumentation, Chemical, Marine |
| Biocompatibility | Fully biocompatible; suitable for medical use |
🏭 Industry & Application
- ✅ SS Grade 2 Capillary Tubes for Medical Industry
- ✅ SS Grade 2 Capillary Tubes for Chemical Processing
- ✅ SS Grade 2 Tubes for Instrumentation Lines
- ✅ Titanium Grade 2 Capillary Tubes for Gas & Liquid Flow
- ✅ SS Grade 2 Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1:What are Titanium Grade 2 Capillary Tubes?
Titanium Grade 2 Capillary Tubes are small-diameter, thin-walled tubes made from commercially pure titanium (Grade 2). They are used in precision applications where high corrosion resistance, strength, and biocompatibility are required.
Q2: What is the main difference between Grade 2 and other titanium grades?
Grade 2 titanium is a commercially pure form with moderate strength and excellent corrosion resistance. It is easier to form and weld compared to higher-strength grades like Grade 5 (Ti-6Al-4V), making it ideal for capillary tubes.
Q3: In which industries are these capillary tubes commonly used?
They are widely used in the medical, aerospace, chemical processing, marine, instrumentation, and laboratory industries for applications such as fluid transfer, sampling lines, catheters, and fuel lines.
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