Thread: Stuck Setscrew in Aluminum Knob
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Old January 13th 09, 10:41 PM posted to rec.radio.amateur.boatanchors
Paul P[_2_] Paul P[_2_] is offline
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Default Stuck Setscrew in Aluminum Knob

Product Linear Temperature Expansion Coefficient - ?-


(10-6 m/m K) (10-6 in/in oF)
Aluminum 22.2 12.3
Steel 13.0 7.3

from:
http://www.engineeringtoolbox.com/li...ents-d_95.html


Looks like the aluminum will expand greater than the steel when both are
equally heated.


Paul P.

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