
Stainless Steel Capillary Tube
Our precision stainless steel capillary tubes are produced by precision TIG welding and floating‑plug drawing. Available in 304, 304J1, 321, 310S, 840, 304L, 316L, 630, 317. Featuring tight tolerance, smooth inner wall, high temperature & corrosion resistance. Secondary processing including straightening & cutting is supported. Widely used in instrumentation, sensors, thermocouples, fluid control, medical parts and automation equipment.
Custom sizes and material test reports are available for global clients.

Product Features
Advanced Manufacturing
Precision TIG welding and floating‑plug drawing deliver tight tolerance, smooth inner wall and reliable sealing.
Rich Material Options
304, 304J1, 321, 310S, 840
304L, 316L, 630, 317 grades available for high‑temp and anti‑corrosion working conditions.
Custom Processing
Straightening, cutting & non‑
standard sizes for instrumentation, sensor, medical and automation industries.
Strict Quality Control
Full‑range inspection, material
test reports provided for
consistent product
performance.
Product Applications
Offer custom non‑standard precision tubing solutions for multiple industries
Instrumentation
Serve as protective sleeves for sensors, thermocouples and pressure instruments to ensure precise signal and fluid transmission.


Fluid & Automation
Provide well‑sealed micro pipelines for temperature control, fluid control and automation equipment.
Medical & Industrial Matching
Fit for medical testing devices and analytical electronic equipment for corrosion‑resistant and high‑temperature‑resistant working conditions.

Product Advantages
We deliver reliable custom‑made precision stainless steel capillary solutions for customers from various industries
Advanced Manufacturing
Adopt precision TIG welding and floating‑plug drawing for tight tolerance, smooth inner wall and good sealing performance.
Diverse Material Options
Grades 304, 304J1, 321, 310S, 840, 304L, 316L, 630, 317 available for high‑temperature and corrosion‑
resistant working conditions.
Custom Deep‑processing
Straightening, cutting and non‑standard sizes to meet requirements of instrumentation, sensor, medical and automation industries.
Strict Quality Assurance
Full‑process inspection, material test reports provided to
guarantee consistent and
stable supply.
Company Advantages
Provide one‑stop custom capillary supply service for global customers
Source Manufacturer
In‑house complete production lines with precision TIG welding and floating‑plug drawing technology. Stable mass production and reliable lead time.
Customization Service
Professional technical team supports various material grades, non‑standard sizes and secondary processing to meet project‑specific requirements.
Custom Materials & Processing Support
Full‑process inspection with material test reports available. 7*24‑hour support for fast inquiry response for domestic and overseas clients.

Testimonials
Precision Capillary Tubes, Built for Reliability
Welcome to our factory.We are dedicated to providing high‑quality stainless steel capillary tubes and custom processing services
FAQs

Contact Us
If you are interested in our products or services, please feel free to contact us at any time.
and sales of products.
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