Stainless Steel Capillary Tube – High Precision Micro Stainless Steel Tubing
Stainless steel capillary tubes are ultra-small diameter precision tubes widely used in medical equipment, sensors, laboratory instruments, precision electronics, and industrial applications.
Manufactured from high-quality stainless steel materials such as 304, 304L, 316, and 316L, these tubes provide excellent corrosion resistance, high strength, and outstanding dimensional accuracy.
With advanced cold-drawing technology and strict quality control, our stainless steel capillary tubes offer smooth inner surfaces, precise tolerances, and excellent mechanical performance, making them ideal for precision industries.
Technical Specifications
| Specification |
Details |
| Outer Diameter |
0.3mm - 20mm |
| Wall Thickness |
0.05mm - 2.0mm |
| Length |
500mm - 6000mm or Customized |
| Surface Finish |
Bright Annealed (BA) / Polished |
| Standard |
ASTM A269 / A213 / EN / JIS |
| Production Method |
Cold Drawn / Seamless |
| Tolerance |
±0.01mm - ±0.05mm |
| Packaging |
Plastic sleeve + End caps + Export bundle |
Key Features
- High precision outer diameter and wall thickness
- Bright Annealed (BA) smooth surface finish
- Excellent corrosion resistance
- Strict tolerance control
- Clean inner wall for fluid transfer
- Customized size available
- Individual protective packaging for export
Applications
- Medical needle tubes
- Laboratory instruments
- Precision sensors
- Thermocouple protection tubes
- Electronic equipment
- Automotive fuel systems
- Industrial measurement instruments
Advantages
- Produced using advanced precision manufacturing technology, ensuring consistent quality and reliable performance
- Custom sizes, surface treatments, and packaging solutions to meet different industrial requirements and international export standards
Packaging Method
- Plastic caps on both ends
- PE protective film wrapping
- Carton packaging
- Wooden case packaging for export
Delivery Time
Standard sizes: 7-10 days
Custom sizes: 10-20 days
Frequently Asked Questions
What materials are available for stainless steel capillary tubes?
Common materials include 304, 304L, 316, and 316L stainless steel, depending on the corrosion resistance and application requirements.
What is the smallest diameter you can produce?
Our production range typically starts from 0.2 mm outer diameter, with ultra-precision manufacturing capabilities.
Can you provide custom sizes?
Yes. We support custom outer diameter, wall thickness, length, and surface finishing according to customer specifications.
What industries commonly use capillary tubes?
Capillary tubes are widely used in medical devices, sensors, laboratory equipment, electronics, and automotive systems.
Do you provide international export packaging?
Yes. All products are packed according to international export standards, ensuring safe sea transportation.