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