What materials are currently most commonly used for the air preheater tubes in heating furnaces?
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As the title suggests, what materials are currently most commonly used for the tubes in the air preheaters of heating furnaces, and what are the advantages of these materials?
Refer to the explanation on air preheaters: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5553505&shareuid=301199
The tubes of the air preheater in heating furnaces are usually made of materials resistant to high temperatures and corrosion, such as stainless steel or carbon steel. These materials have advantages such as good thermal conductivity, high mechanical strength, and a long service life. Stainless steel pipes can also resist oxidation and corrosion, making them suitable for various operating conditions. .