What is the difference between hot-dip galvanized steel coil and cold-rolled steel coil?Hot-dip galvanized steel coil is made of slab (mainly continuous casting billet) as raw material. After heating, it is made into strip steel by rough rolling mill and finishing mill. The hot steel strip from the last rolling mill of finishing rolling is cooled to a set temperature by laminar flow, and then coiled into a steel coil by a coiler.
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.