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Contact name:Jikin Cai
Yuhong Group Co.,Ltd |
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Bright Annealed Tube Stainless Steel 304 Capillary Needle Tubing for Medical Device
Stainless steel needle or hypodermic tube is a thin-walled grade designed with tight tolerances. A Stainless Steel Needle Tube are small diameter tubes that are utilized for injection under the skin. These tubes are ideal for medical applications where corrosion resistance, uniformity, and strength are of the top echelons. It is finished in accordance with customer needs regarding dimensional and wall thickness specifications as well as heat treatment for more demanding applications. In general a Stainless Steel Needle Tube is manufactured according to current standards API, ASTM, and ASME. If required for special projects we can also supply large diameter Needle Tube.
Stainless Steel Capillary Tube Equivalent Grades
| GRADE | UNS NO | DIN/WERKSTOFF |
| Stainless Steel Capillary Tube 304 | S30400 | 1.4301 |
| Stainless Steel Capillary Tube 304L | S30403 | 1.4306 |
| Stainless Steel Capillary Tube 316 | S31600 | 1.4436 |
| Stainless Steel Capillary Tube 316L | S31603 | 1.4404 |
| Chemical Composition | |||||||
| GRADE | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni ≤ | Cr ≤ |
| 304 | 0.07 | 0.75 | 2.00 | 0.045 | 0.03 | 8.00-10.50 | 17.50-19.50 |
| 304L | 0.03 | 0.75 | 2.00 | 0.045 | 0.03 | 8.00-12.00 | 17.50-19.50 |
| 310S | 0.08 | 1.50 | 2.00 | 0.045 | 0.03 | 19.00-22.00 | 24.00-26.00 |
| 316 | 0.08 | 0.75 | 2.00 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 |
| 316L | 0.03 | 0.75 | 2.00 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 |
| 321 | 0.08 | 0.75 | 2.00 | 0.045 | 0.03 | 9.00-12.00 | 17.00-19.00 |
Testing
We can provide the following types of testing for thin wall precision tubes:
1. Corrosion test
2. Flaring test
3. Flattening test
4. Hardness test
5. Mechanical and chemical tests
6. Microstructure test
7. Eddy Current and ultrasonic tests (on request)
Documents
To the patrons' documents provided are raw material test report,
heat treatment chart, quality assurance plan, material traceability
report, MTC as per EN 10204/3.1B, radiography test report etc.
Applications
High precision capillary tube is used in many Instrumentation systems which include the use of:
1. HPLC tubing
2. UPLC tubing
3. Coriolis tubing
4. Remote seal pressure transmitter tubing
5. Sheath tubing
6. Hydraulic tubing
7. Medical Equipments/Services
8. Industrial Components
