309S Seamless Stainless Steel Pipe

        With high chromium and nickel content, Jingtong 309S is highly resistant to oxidation and corrosion at elevated temperatures. Jingtong 309S stainless steel is a kind of high nickel austenitic stainless steel. It provides good resistance to oxidation and is often used in environments up to around 1000 degree (1832 degree F).

 309S Chemical Composition Table

1. What is seamless stainless steel pipe?

2. Is 309 stainless better than 304?

       309 and 304 stainless steel have different advantages, which one is better depending on your specific application needs:

       1.304 stainless steel is more widely used and is known for its corrosion resistance, weldability and formability. 309 stainless steel is designed for high temperature applications and contains a higher proportion of chromium and nickel, as well as a large amount of iron, contributing to its excellent oxidation resistance and corrosion resistance at high temperatures.

       2. 309 stainless steel is more expensive than 304 stainless steel because it contains higher proportions of chromium and nickel, as well as its special properties suitable for high-temperature applications.

      Generally speaking, if your application needs are related to high temperature environments and require better oxidation resistance and corrosion resistance, then 309 stainless steel is a better choice. However, if your application does not require very strong temperature resistance and corrosion resistance, then you can choose 304 stainless steel, and the cost will be lower.

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