ASTM A269 Stainless Steel 304 / 304L / 316L Capillary Tube Medical Needle
ASTM A269 SS304 / 304L / 316L Stainless Steel High Precision Needle Medical Capillary Tube
Stainless steel capillary tube needle tube is a type of tubing generally made from high-quality stainless steel, which is commonly used in the textile industry to create sewing needles for various fabrics. The needle tube has a very thin and sharp tip, which makes it ideal for use in applications where precision is critical, such as embroidery, quilting, and other sewing applications. The stainless steel material is strong, durable, and resistant to corrosion, making it a reliable material for sewing.
Stainless Steel Capillary Tube Needle 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 |
Stainless Steel Capillary Tube Needle Tube Chemical Composition
| 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 |
Stainless Steel Needle Tube are 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 ASTM, and ASME. If required for special projects we can also supply large diameter Needle Tube.
Applications
Capillary needle tubes have a wide range of applications, especially in the medical industry. Some of the common applications include:
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Blood sampling: Capillary needle tubes are used to collect small blood samples from patients for laboratory testing.
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Drug delivery: Capillary needle tubes are used to deliver small amounts of medication to patients, such as insulin injections for diabetes patients.
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Microfluidics: Capillary needle tubes are used in microfluidic systems for the manipulation and analysis of small amounts of fluids.
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Chromatography: Capillary needle tubes are used in chromatography to separate and analyze different components of a mixture.
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Tissue engineering: Capillary needle tubes are used in tissue engineering to create small channels that allow for the growth of cells and tissues in a controlled environment.
Overall, capillary needle tubes are used in applications where precision, accuracy, and reliability are critical.
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