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Type: Posts; User: tdmidget

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  1. Replies
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    Do that research again. No such thing as a...

    Do that research again. No such thing as a "thermocoupler".
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    No! The box will show the color change long...

    No! The box will show the color change long before the contents reach that color. This "eyeball" method is what ruined low number Springfields. To be accurate you need to control temperature and time.
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    "Tempering" and case hardening are vastly...

    "Tempering" and case hardening are vastly different things.
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    Correct. If the part was previously case hardened...

    Correct. If the part was previously case hardened then any new added metal will not have the same amount of carbon or nitrides as the old and masking may be required to have the same case thickness...
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    It is not necessary to anneal to harden. The...

    It is not necessary to anneal to harden. The piece must be heated to the critical temperature and thus IS annealed. If this for color hardening then the previous colors may need to be buffed off
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