How are Stainless Steel Spiral Duct made?You can make stainless steel spiral ducts by going through the following steps:
First you need to prepare the materials that you need to make the stainless steel spiral duct.
In this case, you will prepare stainless steel 304 or 316 depending on the grade you need.
304 Stainless Steel versus 409 Stainless Steel304 is an austenitic stainless steel high in chromium and nickel with very high corrosion resistance. It is one of the most commonly produced and used stainless steel grades. 409 is a ferritic stainless steel with less chromium and very little nickel. It less expensive to produce than 304, but also provides less corrosion resistance.