"Stupendous Man" wrote:
John Doe wrote:

Is there any difference between 6061 aluminum and aircraft grade
aluminum for that purpose?

Is "aircraft grade" something like "industrial strength" or "heavy
duty"?

The three word term "aircraft grade aluminum" in quotes produces
almost one million results on the Yahoo search engine. The term is
commonly used (and defined) at McMaster, a huge metal parts supply
merchant on the web at (http://www.mcmaster.com/) and physically
located in the United States.



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The first big front wheel rollerblades.
http://www.flickr.com/photos/27532210@N04/2565924423/