Miele Metal is a leading supplier of galvanized steel sheet.  Galvanized steel is defined as a carbon steel sheet coated with zinc on both sides. There are two main processes used to produce galvanized steel: continuous hot dipping and electro-galvanizing.  

The hot dipping process consists of passing the steel through a bath of molten zinc, while the electro-galvanizing process consists of the application of zinc through electrolytic disposition.  The result is a layer of zinc tightly adhering to the base metal through an iron-zinc bonding layer.  Our hot dipped galvanized products are manufactured to ASTM A653 specifications; our electro-galvanized products conform to ASTM A879 specifications. 

 

A zinc coating is one of the most effective and economical methods of protecting bare steel from a corroding environment. The zinc not only serves as a barrier between the steel and the environment, it will sacrifice itself to protect the underlying steel sheet. Sacrificial or galvanic protection occurs when two dissimilar metals are in contact and coupled with water and oxygen. Zinc corrodes preferentially to the iron in steel. This protection prevents corrosion of the steel at areas not covered with zinc. Thus, the spread of corrosion from cut edges, drill holes, etc. is minimized.

 

Material Types for Galvanized Steel Sheet

· Commercial Steel (CS Types A, B, and C)

· Forming Steel (FS Types A and B)

· Deep Drawing Steel (DDS Types A and C)

· Extra Deep Drawing Steel (EDDS)

· Structural Steel (SS) – further designated by Grades (33,37,40,50,80)

· High Strength Low Alloy Steel (HSLAS)

 

Additionally, the Hot Dipped Galvanized and the Galvanized  products are available in a variety of coating weights including G-90, G-60, G-40, and G-30 for the Hot Dipped Galvanized products, and A-60 and A-40 for the Galvannealed products.

 

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