What is the ductility of the Red Copper Variable - Diameter Swaged Capillary Tube?

Sep 24, 2026

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David Smith
David Smith
David is a senior engineer at Xinchang Sancai Machinery Co., Ltd. With over 15 years of experience in refrigeration component manufacturing, he has played a key role in the company's product development and innovation since 2008.

Hey there! As a supplier of Red Copper Variable - Diameter Swaged Capillary Tubes, I often get asked about the ductility of these tubes. So, I thought I'd take a few minutes to break it down for you.

First off, let's talk about what ductility actually means. Ductility is the ability of a material to be drawn into a wire or stretched without breaking. In the case of our red copper variable - diameter swaged capillary tubes, this property is super important. It allows the tubes to be bent, formed, and shaped into various configurations without cracking or losing their structural integrity.

Red copper, also known as pure copper, is well - known for its high ductility. This is because of its atomic structure. Copper atoms are arranged in a face - centered cubic lattice, which gives the metal a lot of flexibility. When a force is applied to the copper, the atoms can slide past each other relatively easily, allowing the material to deform without fracturing.

Now, when we talk about variable - diameter swaged capillary tubes, we're dealing with a specialized product. These tubes have different diameters along their length, which is achieved through a swaging process. Swaging involves using dies to reshape the tube, reducing or increasing its diameter as needed.

The ductility of these tubes is crucial during the swaging process. If the copper isn't ductile enough, it will crack or break when the diameter is changed. Our red copper tubes are made from high - quality TP2 copper, which has excellent ductility. This ensures that the swaging process goes smoothly, and we can create tubes with precise variable diameters.

One of the benefits of the high ductility of our red copper variable - diameter swaged capillary tubes is that they can be used in a wide range of applications. For example, in the refrigeration and air - conditioning industry, these tubes are used for refrigerant lines. The ability to bend and shape the tubes allows for easy installation in tight spaces. They can also be used in medical devices, where the need for precise tube shapes and sizes is critical.

Let's take a closer look at some of the specific types of red copper capillary tubes we offer. We have the Reducing - expanding TP2 Copper Capillary Tube. This tube has a diameter that changes from larger to smaller or vice versa. The high ductility of the red copper ensures that the transition between the different diameters is smooth and the tube remains strong.

Another type is the Triple - Diameter TP2 Copper Capillary Tube. As the name suggests, this tube has three different diameters along its length. The ductility of the copper allows us to create these complex shapes without any issues.

We also offer the Flared TP2 Copper Capillary Tube. The flared end is created by expanding the diameter of the tube at one end. Thanks to the ductility of the red copper, we can form a perfect flare without any cracks or deformities.

To measure the ductility of our red copper variable - diameter swaged capillary tubes, we use a few different methods. One common method is the tensile test. In a tensile test, a sample of the tube is pulled until it breaks, and the amount of elongation before breaking is measured. Our tubes typically have a high percentage of elongation, which indicates good ductility.

Another way to assess ductility is through bend testing. We bend the tube to a certain angle and check for any signs of cracking or damage. Our red copper tubes can withstand significant bending without showing any problems, which is a testament to their high ductility.

When it comes to maintaining the ductility of our tubes, proper handling and storage are key. We recommend storing the tubes in a dry environment to prevent oxidation, which can reduce the ductility of the copper. Also, when handling the tubes, avoid applying excessive force or sharp impacts, as this can damage the tube and affect its ductility.

In summary, the ductility of our red copper variable - diameter swaged capillary tubes is one of their most important features. It allows for easy shaping and forming, making them suitable for a wide range of applications. Whether you're in the refrigeration, medical, or any other industry that requires precise capillary tubes, our red copper tubes are a great choice.

If you're interested in purchasing our red copper variable - diameter swaged capillary tubes, we'd love to talk to you. We can provide you with more information about our products, answer any questions you may have, and discuss your specific requirements. Don't hesitate to reach out for a quote or to start a conversation about your procurement needs.

Flared TP2 Copper Capillary Tube suppliersFlared TP2 Copper Capillary Tube

References:

  • "Properties of Copper and Copper Alloys" by Copper Development Association
  • "Materials Science and Engineering" by William D. Callister, Jr. and David G. Rethwisch
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