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Application range of hot-dip galvanized pipe and pregalvanized pipe

Hi, I’m Ella Ma, the CEO of tytsteel.com. With more than 10 years of experience in OEM/ODM steel pipe, I’d love to share with you the valuable knowledge related to steel products from a Chinese supplier’s perspective. Hope you like this article, and please share it or subscribe to our newsletter.

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Hot-dip galvanized and pre galvanized pipes are both types of steel pipes that have been treated with a zinc coating to protect against corrosion. The main difference between the two is the method used to apply the zinc coating.

Hot-dip galvanized pipes are immersed in a bath of molten zinc, which creates a thicker, more durable coating. This makes them suitable for a wide range of applications, including:

  1. Water supply and drainage systems
  2. Gas and oil pipelines
  3. Construction (e.g. scaffolding, handrails, fencing, and structural components)
  4. Automotive industry
  5. Agriculture and farming (e.g. irrigation systems, livestock enclosures)
  6. Electrical conduit

Pre galvanized pipes, on the other hand, are coated with zinc before they are formed into the final shape of the pipe. This results in a thinner, less durable coating that is suitable for less demanding applications. Some common uses for pregalvanized pipes include:

  1. Electrical conduit
  2. Automotive industry (e.g. exhaust systems)
  3. Furniture manufacturing
  4. Greenhouses and agricultural structures
  5. Decorative applications

In general, hot-dip galvanized pipes are a more versatile and durable option for applications that require greater corrosion resistance, while pre galvanized pipes are more suitable for applications where a thinner, less durable coating is sufficient.

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