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Stainless Steel Capillary Tube | Custom Manufacturing & Precision Sizing

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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.

steel pipes

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.

Stainless steel pipe processing
Polished stainless steel capillary tube

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.

Medical tubes

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.

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Testimonials

316L capillary tubes have stable tolerance, flat burr-free cuts and excellent batch consistency. They can be directly assembled on the production line, greatly reducing post-processing time.

Liam Smith

316 stainless steel delivers stable corrosion resistance and uniform wall thickness. Custom specifications are supported, and we have maintained stable cooperation for years.

Mia Garcia

Custom perforated capillary tubes meet precision requirements, with fast sampling, stable delivery and flexible support for small-batch trial production.

Sophia Johnson

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

Q: What industries and scenarios are they mainly applied in?
They are widely used in temperature/pressure sensor probes, gas/oil circuits of automation equipment, medical puncture needles / infusion tubing, chemical instruments, precision instruments, electronic heat dissipation, aerospace, food and pharmaceutical equipment and other fields.
Q: What deep processing customizations are supported?
Full-process non-standard customization is available, including precision cutting, hole drilling / side hole drilling, necking / flaring, tube bending, end sealing, end sharpening, mirror polishing, and welding assembly. Production can be carried out according to drawings or samples.
Q: Can you provide material certificates and inspection reports?
Material certificates and spectral inspection reports are available for all product batches. Special quality inspection documents such as dimensional inspection reports, salt spray test reports and non-destructive testing reports can also be provided as required.
Q: How is the corrosion resistance and high-temperature resistance?
316L material withstands most weak acids, weak alkalis and salt spray environments, and can pass hundreds of hours of neutral salt spray testing. 310S tolerates long-term high-temperature working conditions and fits applications such as high-temperature sensors and heat exchange.
Q: What is the minimum order quantity (MOQ)?
Standard in-stock specifications support small-batch purchases, starting from as low as 1 piece. For non-standard customized items, the MOQ is negotiable based on processing difficulty, and we flexibly support trial sampling and small-batch pilot production.
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Contact Us

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

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