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OEM Custom Precision Capillary Stainless Steel Pipe / Tube 1mm - 8mm | China Suppliers & Factory Supplier, Exporter
Product Description
Product Overview
Shenzhen Sunmy Hardware Co.,Ltd. specializes in manufacturing high-precision capillary stainless steel tubes and pipes, offering unparalleled quality for demanding industrial applications. With outer diameters ranging from 1mm to 8mm, these micro-tubular components are engineered for critical systems in medical devices, aerospace, precision instrumentation, and automotive engineering. Acting as your dedicated manufacturing partner, we provide 100% fully customizable OEM and ODM solutions. Whether you require standard straight tubes or complex geometric configurations, our robust development capabilities ensure your exact specifications are transformed into flawless physical products.
Process & Manufacturing Insights
Our capillary stainless steel tubes are crafted through a rigorous combination of advanced cold-drawing and Precision CNC Turning processes.
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Precision Turned Parts
We excel in secondary machining. Using state-of-the-art CNC lathes, we can perform intricate internal and external turning, threading, chamfering, and grooving on micro-tubes with exceptional accuracy.
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Comprehensive Fabrication
Beyond basic cutting, our in-house capabilities include precision bending, welding, punching, decoiling, and end-forming.
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Stringent Quality Control
From raw material selection to final surface treatment, every step is monitored to maintain a strict ±1% tolerance, ensuring perfect concentricity, structural integrity, and a burr-free finish.
Key Specifications
| Specification Category | Details / Parameters |
|---|---|
| Product Type | Seamless Capillary Stainless Steel Tube / Pipe |
| Material Grade | 300 Series (304, 304L, 316, 316L, 316Ti, 310S), 201, 2205, 2507 |
| Outer Diameter (OD) | 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm (100% Customizable) |
| Tolerance | ± 1% (High Precision) |
| Section Shape | Round (Customizable to Square/Rectangular) |
| Manufacturing Standard | AISI, ASTM, DIN, JIS, BS, NB |
| Processing Services | Precision Turning, Cutting, Welding, Bending, Punching, Decoiling, Molding |
| Surface Treatment | Polished, Hairline, Pickled, NO.1, etc. |
| Origin | Shenzhen, China (Shenzhen Sunmy Hardware Co.,Ltd.) |
| Lead Time | 15 - 21 Days (Subject to order volume and complexity) |
Main Features & Advantages
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100% Customization Driven: We do not just sell standard parts; we engineer solutions. From exact lengths and specific OD/ID ratios to complex turned features, every tube is tailored to your blueprint.
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Exceptional Durability: Manufactured from premium 300-series stainless steel, these tubes offer outstanding resistance to corrosion, oxidation, and high temperatures, making them ideal for harsh environments.
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High-Precision Tolerances: Our advanced turning and machining capabilities guarantee micro-level precision, ensuring seamless integration into your final assembly.
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One-Stop Manufacturing Hub: Shenzhen Sunmy Hardware provides end-to-end services, reducing your supply chain complexity by handling raw material sourcing, precision machining, surface finishing, and global logistics under one roof.
Technical FAQ
Q1
Can you customize the ends of the capillary tubes?
Yes. Because our core expertise includes Precision Turned Parts, we can customize the tube ends with threads, chamfers, flares, or custom grooves to fit your specific assembly requirements perfectly.
Q2
What is the standard lead time for customized orders?
Our standard production cycle is typically 15 to 21 days. However, for urgent projects, our flexible production lines and strong R&D team can expedite the process upon request.
Q3
Do you accept small batch orders for testing?
Absolutely. We support our clients from the R&D prototyping phase all the way to mass production. Please contact our engineering sales team to discuss your specific Minimum Order Quantity (MOQ) needs.
Q4
How do you guarantee the quality of such small diameter tubes?
We employ rigorous inspection protocols, including dimensional checks using optical measurement systems, material composition analysis, and pressure testing (if required), ensuring every batch meets international standards (ASTM, DIN, etc.) and your exact tolerances.
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Get a Fast, Technical Quote & Free DFM Review
Don't let tolerance stack-up delay your product launch. Submit your project details, and our engineering team will evaluate your design for manufacturability before the first cut.
Frequently Asked Questions
Q What stainless steel grades are available for capillary tubes?
We offer a comprehensive range of grades including 300 Series (304, 304L, 316, 316L, 316Ti, 310S), 201, 2205, and 2507. Each grade is selected based on your application's requirements for corrosion resistance, temperature performance, and mechanical strength. Our engineering team can recommend the optimal grade for your specific environment.
Q What is the minimum and maximum outer diameter you can produce?
Our standard production range covers outer diameters from 1mm up to 8mm. All dimensions are 100% customizable to meet your exact design specifications. If your project requires dimensions outside this standard range, please contact our engineering team to discuss feasibility and custom tooling options.
Q Which international manufacturing standards do your capillary tubes comply with?
Our capillary stainless steel tubes are manufactured in compliance with major international standards including AISI, ASTM, DIN, JIS, BS, and NB. This ensures our products meet the stringent quality and safety requirements across industries such as medical devices, aerospace, automotive, and precision instrumentation worldwide.
Q Can Sunmy Hardware handle both prototyping and large-scale production?
Yes. We support the full product lifecycle — from initial R&D prototyping and small batch sampling to high-volume mass production. Our flexible manufacturing lines and experienced engineering team ensure consistent quality and scalability regardless of order size. Contact us to discuss your specific MOQ and production timeline.
Q What surface treatment options are available for capillary tubes?
We offer a variety of surface finishes to meet both functional and aesthetic requirements, including Polished (mirror or brushed), Hairline, Pickled, and NO.1 finish. Custom surface treatments can also be arranged based on your application's cleanliness, corrosion resistance, or appearance specifications.
Q Does Sunmy Hardware provide OEM and ODM services?
Absolutely. We are a dedicated OEM and ODM manufacturing partner. We can produce capillary tubes and precision components strictly according to your drawings, samples, or design concepts. Our in-house capabilities cover everything from raw material sourcing and precision machining to surface finishing and global logistics, providing a true one-stop manufacturing solution.
