Stainless steel electric heating tube

There are many different grades of stainless steel for electric heating pipes, such as stainless steel 304, stainless steel 321, stainless steel 316L, etc. The normal heating tube is mainly selected from stainless steel 304. This is also the material that customers choose most during work. The better material than stainless steel 304 is stainless steel 321. Stainless steel 316L is generally suitable for liquids with a pH> 7-14, that is, suitable for alkaline liquids, but it is generally not recommended to be used in strong acids and alkalis.