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heat treatment method?

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hngopal

Mechanical
Jun 17, 2005
13
IN
Can somebody familiar with Italian Drawings tell me what 'cmt+tmp' mean?

I am fairly sure it is a note on heat treatment because it is followed by a HRc and case depth spec.

Thanks in advance.

 
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cmt may be abbreviation standing for
"Cementazione" or "cementato"
which means carburized or case hardened

tmp stands probably for
"Temperato" which means tempered

Between those should be also quenching but this is probably self evident.

 
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