Stainless Steel Mill Scale

Mill scale formation on stainless steels 2001.

Stainless steel mill scale.

Mill scale is formed on the outer surfaces of plates sheets or profiles when they are being produced by rolling red hot iron or steel billets in rolling mills. This is true for powder coatings paints and other finishing techniques meant to protect the surface from corrosion. The two most common technique used is shot blasting and scale breaker making the coil pass through series of rolls and making them bend at different angles. I often forge stainless which means it has real mill scale its all over dark gray.

Mill scale often shortened to just scale is the flaky surface of hot rolled steel consisting of the mixed iron oxides iron oxide iron oxide and iron oxide. To achieve a smooth durable coating mill scale must be removed from an iron or steel workpiece before application. Shot blasting a method used to clean strengthen and polish metal is a fast and cost effective way to remove mill scale. Mill scale is bluish black in color.

Met mater int 14 2 193 196. I have been tig welding a lot of stainless for over 25 years now and have never cleaned it up before welding. El geasy aa nasr mi 1990 influence of original structure on. By microwa ve heating.

How do you remove mill scale from stainless steel. Removing mill scale from iron or stainless steel. It is usually less than 0 1 mm thick and initially adheres to the steel surface and protects it from atmospheric corrosion provided no break. Cho s lee j 2008 metal recovery from stainless steel mill scale.

Wholesale trader of stainless steel mill scales ss 304 316 mill scale waste offered by ganga steels delhi. Scales and rust formed on steel coil s surface is traditionally removed by two process. It doesnt interfere with tig welding. I am a researcher studying corrosion resistant rebar specifically using stainless steel.