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Titanium Capillary Tubing

Titanium Capillary Tubing

Our Titanium Capillary Tubing is an ultra-thin, small-diameter precision tube made from high-purity titanium or titanium alloys (such as Gr1, Gr2, Gr5, and Gr9). Produced through precision cold drawing and annealing processes, the tube boasts extremely high dimensional tolerances, a smooth inner surface, and excellent corrosion resistance, making it suitable for applications in medical, aerospace, precision instrumentation, chemical, and marine engineering fields.

Outer Diameter: 0.2mm-10mm (customizable)
Wall Thickness: 0.02mm-2mm (customizable)
Length: Can be customized upon request
Steel Grade: Grade1 Grade 2/2H Grade3 Grade4 Grade5 Grade7/7H Grade 9 Grade10 Grade11 Grade12 Grade13 Grade14 Grade15 Grade16/16H Grade17 Grade18 Grade 19 Grade 20 Grade 21 Grade 22 Grade 23 Grade 24 Grade 25 Grade26/26H Grade27 Grade28 Grade29,etc.
Standards:ASTM B338, ASTM B337, ASTM B861,or as per customer specifications.

Product Introduction

Products Description

 

Our Advantages 

 

1. Material Control

Our Titanium Capillary Tubing is manufactured using high-grade titanium alloys (Gr1, Gr2, Gr5, Gr9). Chemical composition checks ensure the high quality and purity of the tubing material, providing complete material traceability and factory testing certificates suitable for industries such as medical, aerospace, and chemical.

 

2. Precise Dimensions
Our capillary tubes are produced using advanced cold drawing, bright annealing, micro-polishing, and precision cutting processes, ensuring tight tolerances within ±0.01–0.03 mm and a smooth inner surface, suitable for precision instruments.

 

3. Strong Corrosion Resistance
Our tubing undergoes acid pickling and passivation treatment, resulting in a strong-adhesion oxide film that provides long-term protection even in highly corrosive environments such as chlorides, seawater, oxidizing media, and certain acidic or alkaline solutions. Ideal for chemical processing, marine engineering, medical devices, and other fields.

 

4. Re-processing Capabilities
Our titanium alloy tubing has excellent weldability, especially the Gr1 and Gr2 materials, allowing customers to assemble, bend, cut, and connect the tubing without compromising quality.

 

5. Quality Control

All pipes manufactured by TORICH undergo ultrasonic non-destructive testing and hydrostatic pressure testing to ensure that the pipes are free of internal defects, cracks, etc., and can withstand the high pressure in aerospace or hydraulic systems.

 

application areas

 

  • Medical Industry: Surgical instruments, implantable devices, catheters, endoscope components, etc.
  • Aerospace: Precision sensors, hydraulic control systems, aircraft instruments, etc.
  • Precision Instruments: Thermocouple protection tubes, semiconductor equipment, etc.
  • Chemical and Marine Engineering: Corrosion-resistant fluid transport, marine and subsea equipment, high-purity chemical analysis systems, etc.

 

Steel grades

 

  • Gr1: Highest purity, excellent corrosion resistance, softest texture, and easiest to form.
  • Gr2: Achieves a good balance between strength, ductility, and corrosion resistance.
  • Gr5 (Ti-6Al-4V): High-strength aerospace-grade alloy.
  • Gr9 (Ti-3Al-2.5V): Lightweight, high-strength alloy, ideal for coils and precision systems.

 

Chemical Composition

Element Titanium (Ti) Oxygen (O) Iron (Fe) Aluminum (Al) Vanadium (V) Other Elements
Gr1 ≥ 99.5 ≤ 0.18 ≤ 0.20 ≤ 0.40 total
Gr2 ≥ 98.9 ≤ 0.25 ≤ 0.30 ≤ 0.40 total
Gr5 (Ti-6Al-4V) Balance ≤ 0.20 ≤ 0.40 5.5–6.75 3.5–4.5 ≤ 0.50 total
Gr9 (Ti-3Al-2.5V) Balance ≤ 0.15 ≤ 0.25 2.5–3.5 2.0–3.0 ≤ 0.50 total

 

Mechanical Properties

Property Tensile Strength (MPa) Yield Strength 0.2% (MPa) Elongation (%) Hardness (HB)
Gr1 ≥ 240 ≥ 170 ≥ 24 ~ 70
Gr2 ≥ 345 ≥ 275 ≥ 20 ~ 80
Gr5 (Ti-6Al-4V) ≥ 895 ≥ 825 ≥ 10 ~ 200
Gr9 (Ti-3Al-2.5V) ≥ 620 ≥ 483 ≥ 15 ~ 160

 

Possible Alternative Grades

Alternative Grades Reasons
Gr12 Improved strength and weldability, suitable for high-temperature applications.
Nickel Alloys Suitable for extreme temperature environments where titanium cannot withstand them.
316L A cost-effective corrosion-resistant material.

 

Products Show

Titanium Capillary Tubing
Titanium Capillary Tubing

 

Testing Equipment

Eddy Current Flaw Detector
Eddy Current Flaw Detector
Hydraulic Universal Testing Machine
Hydraulic Universal Testing Machine
Intergranular Corrosion Tester
Intergranular Corrosion Tester

 

Factory Equipment

Pickling Equipment

Pickling equipment

Polishing Equipment
Polishing equipment
Cold drawing equipment
Cold drawing equipment

 

 

Products Package


stainless steel pipe package

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