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Ss Stainless Capillary Tube
Material
Stainless steel capillary tubes are small-diameter tubes made from stainless steel, known for their high corrosion resistance and excellent mechanical properties. These tubes are widely used in various industries due to their ability to withstand extreme conditions and their versatility in applications.
Specification
Capillary tubes are typically specified by their outer diameter (OD), inner diameter (ID), wall thickness, and length. Common specifications include:
Outer Diameter: Ranges from 0.5 mm to 25 mm
Wall Thickness: Ranges from 0.1 mm to 2 mm
Length: Custom lengths available, typically up to 6 meters
Key Features
Corrosion Resistance: Stainless steel capillary tubes are resistant to rust and corrosion, making them suitable for harsh environments.
High Strength: They offer high tensile strength, allowing them to withstand high pressure.
Precision: The manufacturing process ensures precise dimensions, which is crucial for applications requiring tight tolerances.
Versatility: These tubes can be used in various applications, including medical devices, instrumentation, and fluid transfer systems.
Temperature Resistance: They can operate effectively in a wide range of temperatures.
Chemical Composition
| Element | Composition (%) |
| Carbon (C) | 0.03 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.03 max |
| Chromium (Cr) | 10.5 - 30.0 |
| Nickel (Ni) | 0 - 35.0 |
| Molybdenum (Mo) | 0 - 7.0 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
| Yield Strength | 205 MPa (min) |
| Tensile Strength | 515 MPa (min) |
| Elongation | 40% (min) |
| Hardness | 90 HRB (max) |
Physical Properties
| Property | Value |
| Density | 7.93 g/cm³ |
| Melting Point | 1400 - 1450 °C |
| Thermal Conductivity | 16 W/m·K |
| Electrical Resistivity | 0.72 µΩ·m |
Process Performance
| Process | Performance |
| Welding | Excellent |
| Machining | Good |
| Forming | Good |
| Heat Treatment | Effective |
Steel Grade
Stainless steel capillary tubes are available in various grades, with the most common being:
304 Stainless Steel: Known for its excellent corrosion resistance and good formability. It is widely used in food processing and chemical industries.
316 Stainless Steel: Offers better corrosion resistance than 304, especially against chlorides. It is commonly used in marine applications and medical devices.
321 Stainless Steel: Contains titanium, which improves its resistance to high-temperature oxidation and corrosion.
Application
Stainless steel capillary tubes are used in a variety of applications, including:
Medical Devices: Used in syringes, catheters, and other medical instruments.
Instrumentation: Employed in pressure sensors, thermocouples, and other measurement devices.
Fluid Transfer: Used in hydraulic and pneumatic systems for transferring fluids and gases.
Chemical Processing: Utilized in reactors and heat exchangers due to their corrosion resistance.
We are always committed to providing safe, stable and reliable Micro/Capillary Thin Wall 304 Stainless Steel Pipe to our global customers and to promoting the prosperity and development of the world economy through deepening international cooperation. We start from pragmatism, through the ingenuity of the design, with a wealth of product types to meet the different needs of consumers. We have accumulated a wealth of experience, not only have advanced equipment and efficient standard production lines, but also have a R & D team that is brave in innovation and pursuing excellence.
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