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| The Newbies Arena Are you new to knife making? Here is all the help you will need. |
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#1
05-27-2003, 05:30 PM
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locking liner material
Good Day,
I was wondering if anyone's used (or using) 17-7PH for a locking liner material. I understand 420 is commonly used and heat treated in the mid to upper 40's on the "C" scale. I've heard 17-7PH makes an excellent spring and could possibly be cheaper in price. It may also be harder to tap and ream, but those are some initial concerns. Any feedback would be appreciated. Thanks Kindly! Bill 
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#2
05-28-2003, 07:14 PM
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welcome to ckdf, bill. never heard of anyone using 17-7ph, but that doesn't mean anything. most custom makers will use titanium for liners, but there are a lot of factory knives out there that use ss.
. i see that alpha knife supply carries 17-7ph, you might ask chuck bybee. __________________ wayne things get better with age ... i'm approaching magnificent Last edited by whv; 05-29-2003 at 08:23 PM.
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#3
05-28-2003, 08:18 PM
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I don't know what 17-7 ph is either but it sounds like it might be phosphor bronze. If that's what it is, then I've heard of it being used for liner lock's. Mostly overseas, not so much here.
Over here, real knife makers who want to build the best locks use titanium... :evil
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#4
06-02-2003, 11:31 AM
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17-7 PH is a stainless steel containing 17% chromium and 7% nickle. The PH means that it is a precipitation hardening stainless steel (it age hardens ) . It will work harden very easily. Hope this helps.
Last edited by Mark Ingram; 06-02-2003 at 11:37 AM.
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