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The Folding Knife (& Switchblade) Forum The materials, techniques and the designing of folding knives.

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Old 04-04-2002, 08:10 PM
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Proper heat treat for 410 for liners?

Anyone here tell the the best heat treating for 410 for liner-locks? thanx
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Old 04-04-2002, 09:26 PM
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I haven't heat treated 410 but I found this from a MSD on a suppliers site.


Annealing 1200-1400 F (649-760 C), followed by air cooling.


Tempering Temper for desired hardness, air or furnace cool.


Hardening 1750-1850 F (954-1010 C), oil quench for maximum hardness.

It's not much but I hope it helps.

Bob Sigmon

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Old 04-10-2002, 05:47 PM
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So, nobody here knows??? C'mon guys
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Old 04-10-2002, 06:57 PM
neil charity
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I would assume it would be similar to 416, I would take it to 950C, air quench then temper at 175C for one hour.

Regards from Australia.

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