Stainless Steel Capillary Tube
Stainless steel capillary tubes from Yunming Metal offer high precision, tight tolerances, and excellent corrosion resistance. Ideal for medical devices, instrumentation, marine systems, and heat exchangers with customizable sizes and reliable global supply.
Why Choose Yunming Metal?
- 10+ Years Manufacturing Experience
- Exported to 30+ Countries Worldwide
- Strict Quality Control (EN 10204 3.1 / 3.2 Available)
- Fast Production & Stable Delivery y
- Third-Party Inspection Supported (SGS, BV, TUV)
- Custom Sizes & Small Trial Orders Accepted
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Stainless Steel Capillary Tube Manufacturer & Supplier
Product Overview
Stainless steel capillary tube is a precision-engineered tubing solution designed for applications requiring extremely tight tolerances, small diameters, and high corrosion resistance. Widely used in industries such as medical devices, instrumentation, oil & gas, ma
rine systems, and chemical processing, these tubes are ideal for fluid control, signal transmission, and micro-flow systems.
Manufactured through advanced cold drawing and precision finishing processes, capillary tubes offer excellent surface quality, consistent wall thickness, and superior mechanical properties. Their ability to perform reliably in seawater environments, heat exchangers, and aggressive chemical conditions makes them a preferred choice for high-demand engineering projects.
With customizable dimensions and strict quality control, stainless steel capillary tubes ensure stable performance in both high-pressure and ultra-clean environments. Whether used in analytical instruments or offshore systems, they deliver precision, durability, and long service life.
Contact us now to discuss your project requirements.
Application Areas
- Medical & Surgical Equipment
Used in needles, catheters, and precision medical devices requiring ultra-clean internal surfaces - Instrumentation & Analytical Systems
Ideal for sensors, pressure gauges, and micro-flow control systems - Oil & Gas Industry
Applied in control lines, chemical injection lines, and downhole tools - Marine & Seawater Systems
Suitable for desalination plants, seawater pipelines, and offshore platforms - Heat Exchangers & Cooling Systems
Used in compact heat exchangers where precise fluid flow is critical - Chemical Processing Industry
Handles aggressive fluids and corrosive chemicals with high reliability
Product Features
- Excellent corrosion resistance in marine and chemical environments
- High precision with tight dimensional tolerances
- Smooth inner surface for efficient fluid transmission
- Superior mechanical strength and durability
- Customizable sizes for specialized applications
- Suitable for high-pressure and high-temperature conditions
- Clean and burr-free internal finish for critical systems
Technical Specifications
| Parameter | Range |
|---|---|
| Outer Diameter (OD) | 0.3 mm – 20 mm (≈ 0.012″ – 3/4″) |
| Wall Thickness (WT) | 0.05 mm – 2 mm (≈ 0.002″ – 0.08″) |
| Length | Coil or straight length up to 6000 mm (≈ 20 ft) |
| Standards | ASTM A213 / A269 / A312, ASME SA213, EN, JIS |
| Grades | 304 / 304L / 316 / 316L / 321 / Monel 400 / K500 |
Manufacturing Process
Melting (EAF/VOD) → Hot Rolling → Cold Drawing → Precision Annealing → Straightening → Polishing → Non-Destructive Testing (NDT) → Dimensional Inspection → Final Packaging
Each stage is strictly controlled to ensure dimensional accuracy, surface quality, and compliance with international standards.
Explore More Stainless Steel Tube Solutions
Need different types of stainless steel tubing for your project?
We offer a full range of custom shaped precision tubes, heat exchanger tubes, and coil pipes to meet various application requirements.
✔ Multiple sizes and grades available
✔ Custom processing supported
✔ Fast global delivery
👉 Check the related products below and find the right solution for your project.
FAQ
Q1: Can you supply small trial orders?
A: Yes, we support flexible MOQ for first-time cooperation.
Q2: What is the typical delivery time?
A: Usually 20–35 days depending on size, grade, and customization requirements.
Q3: Can you provide mill test certificates (MTC)?
A: Yes, EN 10204 3.1 / 3.2 certification is available upon request.
Q4: Do you support custom sizes and tight tolerances?
A: Yes, we specialize in precision tubing with customized OD, WT, and length.
Q5: Are these tubes suitable for seawater or offshore applications?
A: Yes, especially grades like 316L and Monel 400/K500 offer excellent seawater resistance.
Q6: How do you ensure tube precision?
A: We use advanced cold drawing and strict dimensional inspection to ensure tight tolerance.
Q7: Can you provide third-party inspection?
A: Yes, SGS / BV / TUV inspection is available before shipment.
Conclusion
Looking for high-precision stainless steel capillary tubes for demanding applications? Contact us today to get tailored solutions, fast delivery, and reliable quality for your next project.
Need a stainless steel solution for your project?
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