The stainless steel 304 seamless micro tubes are specifically created for applications that demand high dimensional accuracy, corrosion resistance and durability. The outer diameter for these pipes ranges between 0.30 mm to 12 mm, while their walls are of a very high standard with a thickness of 0.08 mm to 2.00 mm. The chemical composition of grade 304 contains 18 percent of chromium and 8 percent of nickel that makes it highly resistant to any form of oxidation or industrial chemicals or moisture corrosion. The micro tubes are used in a variety of medical devices, instrumentation, aerospace, electronics, and fluid control applications. USA Piping Solution is trusted Seamless Micro Tube Manufacturer and Supplier that offers precision engineering stainless steel 304 seamless micro tubes up to global quality standards and the most demanding industrial applications.
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Specifications of Stainless Steel 304 Seamless Micro Tube
| Specification Parameter | Technical Standard / Details |
|---|---|
| Material Grade | Stainless Steel 304 / UNS S30400 / DIN 1.4301 / W.Nr. 1.4301 |
| Manufacturing Process | 100% Seamless (Cold Drawn / Cold Redrawn) |
| Outer Diameter (OD) | 0.012" to 0.500" (0.30 mm to 12.70 mm) (Standard Precision Micro Range) |
| Wall Thickness (WT) | 0.003" to 0.080" (0.08 mm to 2.00 mm) |
| Standard OD Tolerance | ±0.003" to ±0.005" (±0.08 mm to ±0.13 mm) |
| Precision OD Tolerance | Down to ±0.0005" (±0.013 mm) upon request |
| Wall Thickness Tolerance | ±10% standard (±5% available for high-precision applications) |
| Length Formats | Straight lengths (1m, 2m, 3m, or custom up to 20 ft); Continuous coils up to 3200 ft (1000m) |
| Material Temper / Hardness | Bright Annealed (Soft/Fully Annealed standard); 1/4 Hard, 1/2 Hard, Full Hard available |
| Surface Finish | Bright Annealed (BA), Passivated, Mechanical Polished (R a ≤0.4μm / 16μin ID/OD) |
| End Options | Plain End (Square cut & deburred), Chamfered, Radiused, or Beveled |
Applications Uses of Stainless Steel 304 Seamless Micro Tube
- Medical & Surgical Equipment Industry
- Pharmaceutical Industry
- Analytical & Laboratory Instrumentation Industry
- Semiconductor & Electronics Industry
- Aerospace & Aviation Industry
- Oil & Gas Industry
- Chemical Processing Industry
- Food & Beverage Processing Industry
Frequently Asked Questions
1. What are Stainless Steel 304 Seamless Micro Tubes?
Stainless Steel 304 Seamless Micro Tubes are small-diameter precision tubes manufactured without a welded seam. They offer excellent strength, corrosion resistance, and dimensional accuracy for high-precision applications.
2. What is the difference between SS 304 seamless and welded micro tubes?
Seamless micro tubes are made from a solid billet without any weld, providing better strength and pressure resistance. Welded micro tubes are formed by welding rolled stainless steel strips and are generally more economical.
3. Why is Grade 304 stainless steel used for seamless micro tubes?
Grade 304 is widely used because it offers excellent corrosion resistance, good mechanical strength, easy fabrication, and reliable performance in a wide range of industrial environments.
4. Are Stainless Steel 304 Seamless Micro Tubes corrosion resistant?
Yes. Stainless Steel 304 Seamless Micro Tubes provide excellent resistance to rust, oxidation, moisture, and many chemicals, making them suitable for indoor and general industrial applications.
5. What is the temperature range of Stainless Steel 304 Seamless Micro Tubes?
SS 304 Seamless Micro Tubes can typically operate in temperatures ranging from -196°C to 870°C, with intermittent service up to 925°C, depending on the application.
6. Are SS 304 Seamless Micro Tubes suitable for medical applications?
Yes. Their smooth surface finish, corrosion resistance, and precision dimensions make them suitable for many medical devices, laboratory instruments, and diagnostic equipment.