Blued Steel

Blued Steel

New postby podge » Mon Nov 23, 2009 3:03 pm

Blued steel (in french : Acier Bleui)

Steel that has been heated until its surface oxidises to become a more or less dark blue.
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Re: Blued Steel

New postby Glyn Meredith » Fri Mar 12, 2010 12:47 am

Blued steel in often seen on screws and hands on vintage watches. Usually, the colour of blued watch hands ranges from purple (plum) to dark blue from heating to temperatures of about 270 to 310 degrees C. There is a mass production technique that uses a chemical process rather than heat.
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