Stuck Setscrew in Aluminum Knob

January 13th 09, 11:41 PM posted to rec.radio.amateur.boatanchors

Paul P[_2_] Paul P[_2_] is offline

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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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