what is the buffing and polishing procdure for stainles steel pipes?

Answer 1

Many manufacturers now use electropolishing methods in lieu of mechanical methods for polishing stainless steel pipe and tubing, however for a very good explanation of all of the methods and tools used for mechanical polishing see the following website:

http://www.thefabricator.com/Finishing/Finishing_Article.cfm?ID=1623