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PostPosted: Fri Nov 04, 2022 7:51 pm 
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Joined: Thu Jan 06, 2022 8:22 pm
Posts: 147
A very big Thankyou to my fellow air gunners for your help you are all a great bunch of guys.And guess what ? I took a picture of my factory fac spring and it’s 31 coils and the new replacement factory Orem spring is 32 ? That explains why I was coil bound befour I could get the piston to latch it just couldn’t push the sear back far enough to get it to catch the piston latch rod


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PostPosted: Fri Nov 04, 2022 8:33 pm 
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Joined: Fri Jan 22, 2010 1:17 pm
Posts: 3596
Location: Kingston, ON
If the steel hasn't been heated over about 800C then quenching won't result in any hardening and air cooling will give the same microstructure as quenching. But quenching is quick, and if it has been taken above 800C then you could get some hardening and thus improve the wear resistance of the spring end. My 2c worth, but I only have 40 yrs experience at a metallurgist. :drinkers:
Long and short of it: the cooling method is not important, get the spring end square, flat and smooth.

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PostPosted: Sat Nov 05, 2022 7:54 am 
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Joined: Thu Jan 06, 2022 8:22 pm
Posts: 147
Dukemeister wrote:
If the steel hasn't been heated over about 800C then quenching won't result in any hardening and air cooling will give the same microstructure as quenching. But quenching is quick, and if it has been taken above 800C then you could get some hardening and thus improve the wear resistance of the spring end. My 2c worth, but I only have 40 yrs experience at a metallurgist. :drinkers:
Long and short of it: the cooling method is not important, get the spring end square, flat and smooth.


Thanks a bunch


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