I have heard they make some of the best.
I am guessing a choke tube has to be hardened but don't know for sure how that works?
Are SumToy Choke Tubes Hardened?
- Sloppy_Snood
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Re: Are SumToy Choke Tubes Hardened?
Work hardened from machining: yes.
Depending on the steel utilized for the choke, the metal itself could be pre-hardened before it is even machined.
Several suitable steels exist for choke tubes but many utilize 17-4 PH stainless steel. PH represents "precipitation hardened."
Very few choke manufacturers harden their chokes after machining though.
Depending on the steel utilized for the choke, the metal itself could be pre-hardened before it is even machined.
Several suitable steels exist for choke tubes but many utilize 17-4 PH stainless steel. PH represents "precipitation hardened."
Very few choke manufacturers harden their chokes after machining though.
Last edited by Sloppy_Snood on February 15th, 2018, 6:59 pm, edited 1 time in total.
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Re: Are SumToy Choke Tubes Hardened?
I hope he does, I am curious.
Only info I could find was from Jebs. It said they send the 17'4 bar stock and harden before machining. Kind of funny, I figured it would make it to difficult to machine after hardening.
Only info I could find was from Jebs. It said they send the 17'4 bar stock and harden before machining. Kind of funny, I figured it would make it to difficult to machine after hardening.
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Re: Are SumToy Choke Tubes Hardened?
There are different heat treat specs. We machine heat treated 17-4 quite a lot. Again, heat treating has a range so it can be a little bit harder or a lot harder. If you know what you’re doing it isn’t really difficult to machine, just slower to machine.
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Re: Are SumToy Choke Tubes Hardened?
I know that Rob Roberts chokes are hardened. I was in their shop and there was some shiny chokes and then I seen their regular colored chokes. He said that's the color after they're hardened...
Re: Are SumToy Choke Tubes Hardened?
What would be the advantages and disadvantages of hardening?
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Re: Are SumToy Choke Tubes Hardened?
Harder would be tougher/stronger.
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Re: Are SumToy Choke Tubes Hardened?
Also, depends on their process. They can rough machine soft, send out for heat treat, then finish turn the hardened choke.