CPM M4

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Lloyd Harner
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CPM M4

Post by Lloyd Harner »

any interest in some kitchen knives in cpm M4. got an order for a head knife (leather working tool). just working out how big a sheet of steel i need in .113 thickness
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XexoX
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Re: CPM M4

Post by XexoX »

CPM - Cost Per Mile?
CPM - Critical Path Method?
CPM - Control Program for Microcomputers?

Enquiring Minds want to know!
You can blame Mr. Suburban for my being here. :lol:
The thing about quotes on the internet is you can not confirm their validity. -- Abraham Lincoln
All steels are equal if you can't keep them sharp. -- Jeff B.
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Bensbites
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Re: CPM M4

Post by Bensbites »

XexoX wrote: ↑Sun May 14, 2023 9:33 pm CPM - Cost Per Mile?
CPM - Critical Path Method?
CPM - Control Program for Microcomputers?

Enquiring Minds want to know!
Crucible powdered metallurgy. It's the non stainless performance that inspired magncut.
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XexoX
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Re: CPM M4

Post by XexoX »

Bensbites wrote: ↑Mon May 15, 2023 5:28 am
XexoX wrote: ↑Sun May 14, 2023 9:33 pm CPM - Cost Per Mile?
CPM - Critical Path Method?
CPM - Control Program for Microcomputers?

Enquiring Minds want to know!
Crucible powdered metallurgy. It's the non stainless performance that inspired magncut.
Thank you Mr. Bites. I struggle to figure out acronyms. I am old and can't keep up with the latest jargon. :?
You can blame Mr. Suburban for my being here. :lol:
The thing about quotes on the internet is you can not confirm their validity. -- Abraham Lincoln
All steels are equal if you can't keep them sharp. -- Jeff B.
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Bensbites
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Re: CPM M4

Post by Bensbites »

XexoX wrote: ↑Mon May 15, 2023 8:26 am
Bensbites wrote: ↑Mon May 15, 2023 5:28 am
XexoX wrote: ↑Sun May 14, 2023 9:33 pm CPM - Cost Per Mile?
CPM - Critical Path Method?
CPM - Control Program for Microcomputers?

Enquiring Minds want to know!
Crucible powdered metallurgy. It's the non stainless performance that inspired magncut.
Thank you Mr. Bites. I struggle to figure out acronyms. I am old and can't keep up with the latest jargon. :?
If I wasn't a steel nerd, I wouldn't know.
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Lloyd Harner
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Re: CPM M4

Post by Lloyd Harner »

the leather worker used about 80% of the last knife i made him in O1 and he didnt have any issues with rust so thats why i planned on M4. i hear magnacut is good stuff tho. when i use up my supply of XHP will likely check it out
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Re: CPM M4

Post by Kekoa »

I couldn't buy anything myself, but I would be very curious to hear from anyone who uses an M4 kitchen knife on how the steel performs for that purpose.
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Lloyd Harner
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Re: CPM M4

Post by Lloyd Harner »

the steel is ordered now the waiting game till it gets here and i can start laying out blades.
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Re: CPM M4

Post by Lloyd Harner »

to be fair i dont want the steels to get mixed up i think 4V and cpmM4 have been mixed as far as mangnacut alloying quick data sheeg loook up shows <M4 much higher alloy content
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Lloyd Harner
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Re: CPM M4

Post by Lloyd Harner »

these 2 turned out nice just took far more time at the grinder
387058477_821006353360980_2992824092922447395_n.jpg
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Re: CPM M4

Post by Kekoa »

Do you do the grinding before or after HT?
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Lloyd Harner
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Re: CPM M4

Post by Lloyd Harner »

i grind about 1/2 and inch of bevel on the blades so that after heat treat i dont wreck so many belts. the rest of the grinding is done hard the biggest + to doign it that way is i can plate quench and most the time all the blades stay straight
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