ODM Custom Precision Capillary Stainless Steel Pipe / Tube (OD 1mm - 8mm) Products, Factories

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.

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.

Comprehensive Fabrication

Beyond basic cutting, our in-house capabilities include precision bending, welding, punching, decoiling, and end-forming.

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

  • 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.
  • 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.
  • High-Precision Tolerances: Our advanced turning and machining capabilities guarantee micro-level precision, ensuring seamless integration into your final assembly.
  • 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

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.
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.
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.
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.
What outer diameter (OD) range and tolerances do you support?
We offer outer diameters ranging from 1mm to 8mm with high precision tolerances maintained strictly within ±1%. Custom OD/ID dimensions are 100% available according to your engineering design.
Which stainless steel material grades and surface treatments can I choose?
Material grades include 300 Series (304, 304L, 316, 316L, 316Ti, 310S), 201, 2205, and 2507. Available surface treatments comprise Polished, Hairline, Pickled, NO.1, and more.

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