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Posted by Gordon England (62.252.0.12) on 15:37:08 25/11/04
In Reply to:3/4 hardness condition posted by lila
: How can I obtain a hardness value in HRC, etc. to the 3/4 hardness condition of aluminium alloy 5005
The Rockwell HRC hardness scale is only suitable for materials very much harder. Rockwell E, F, H and L scales would be better. Vickers hardness testing would probably be the best method and should give you very roughly 50 HV.
Regards Gordon
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