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Colouring stainless steel 200/202 grade

I have st steel cold rolling mill. We are reducing from 16 gauge thick sheets of 12'' to 24'' width and length up to 10'. We are interested in permanent coating of this st steel 200/202 grade in attractive colours. is there any method of giving permanent metal finish?
I shall be obliged.

Piyush Premchand Lalani
st steel cold rolling - Ahmedabad, Gujarat, India
2005

Large plates are now being coated in a number of places by PVD. A variety of coatings can be deposited, including titanium nitride, which has a gold color, chromium nitride, which is silver or gray, zirconium nitride, which is a light gold in color, and aluminum titanium nitride, which is black. Rainbow effects are possible with titanium oxide. All of these coatings are pretty hard, and if thick enough can be pretty scratch resistant. I don't know about India, but the process is commercially available in Europe, the United States, and China. There's a German company that sells the production equipment.

Jim Treglio - scwineryreview.com
PVD Consultant & Wine Lover
San Diego, California
2005

adv.

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