TP 304L Stainless Steel Capillary Tube Seamless Austenitic Stainless Steel Pipe For Medical
Medical Stainless Steel Capillary Tube
,TP 304L Stainless Steel Capillary Tube
,Seamless Austenitic Stainless Steel Pipe

TP 304L Stainless Steel Capillary Tube: Seamless Austenitic Stainless Steel Pipe for Medical Applications
Material Specification
TP 304L stainless steel is a low-carbon version of the 304 grade, offering excellent corrosion resistance, formability, and weldability. It is particularly suitable for applications requiring a high degree of cleanliness and precision, such as in the medical field.
Key Features
- Corrosion Resistance: Excellent resistance to a wide range of atmospheric environments and many corrosive media.
- Low Carbon Content: Reduces the risk of carbide precipitation during welding, enhancing weldability.
- High Strength: Maintains strength at high temperatures.
- Non-Magnetic: In the annealed condition, it is non-magnetic, which is beneficial for certain medical applications.
- Biocompatibility: Safe for use in medical devices and surgical instruments.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 0.75 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 18.0 - 20.0 |
| Nickel (Ni) | 8.0 - 12.0 |
| Nitrogen (N) | ≤ 0.10 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 485 MPa |
| Yield Strength | ≥ 170 MPa |
| Elongation | ≥ 40% |
| Hardness (Brinell) | ≤ 201 HB |
Similar Standards and Steel Grades
- ASTM: A312 (TP 304L)
- EN: 1.4306 (EN 10216-5)
- GOST: 03Х18Н11 (GOST 9941-81)
- JIS: SUS304L (JIS G3459)
- GB: 022Cr19Ni10 (GB/T 14976)
Application
TP 304L stainless steel capillary tubes are widely used in the medical field due to their excellent properties. They are ideal for:
- Medical Devices: Used in the manufacturing of needles, catheters, and other precision medical instruments.
- Surgical Instruments: Provides the necessary strength and corrosion resistance for surgical tools.
- Pharmaceutical Equipment: Ensures high levels of hygiene and resistance to chemical exposure.
- Laboratory Equipment: Suitable for use in various laboratory applications requiring precision and reliability.











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