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Foil wrapping for heattreat
- Thread starter Rex
- Start date
Originally posted by Rex:
Rex, I remove the foil wrap as soon as the blades are done heat treating and check for warpage. You got a bout 1 minute to fix them. I think you should remove the foil when the blades come out of the oven then quench in oil. Joe Mason
Question
I've seen stainless foil for wrapping air harding steels during heattreat to prevent scaling.
Will this also work for oil quenching steels or will the foil layer slow the quench down?
Has anyone tried this?
- Joined
- Sep 18, 1999
- Messages
- 181
It works best on air hardening steels. You won't have time to unwrap it, straighten and quench before you lose critical temperature. The oil itself creates the scale you're trying to avoid by using the foil. I wouldn't use it on oil hardening steels.
Any more heat reat questions e-mail me. I do my own and heat treat for other makers as well.
------------------
Gene Osborn
Center Cross Metal Works
I Carry My Crosses for Christ to Give any Glory to God.
Any more heat reat questions e-mail me. I do my own and heat treat for other makers as well.
------------------
Gene Osborn
Center Cross Metal Works
I Carry My Crosses for Christ to Give any Glory to God.
- Joined
- Nov 10, 1999
- Messages
- 52
try useing the decarboration paste .you spred it on your blade then heattreat and quenchin oil.you can get it at sheffield knifemakers supply.I'll send you the adress tomorrow don't have it with me.I'm sure you'le like it. david lovins
- Joined
- Nov 10, 1999
- Messages
- 52
sheffield knifemakers supply inc.
p.o.box 741107
orange city,Florida 32774-1107
custumer serv 1-904-775-6453
fax 1-904-774-5754
try the foil quench you may be the first...
good luck daivd lovins
p.o.box 741107
orange city,Florida 32774-1107
custumer serv 1-904-775-6453
fax 1-904-774-5754
try the foil quench you may be the first...
good luck daivd lovins
- Joined
- Oct 16, 1998
- Messages
- 307
Some times it works most of the time you get a potato chip.
The oil gets into the packet way to slowly and vaporizes causing heavy warping.
Keepbrite is better for oil quench steels and I use it for the tempering legs on 3Vand
420V.
You can get Keepbrite from MSC.
Ed
[This message has been edited by Edward R Schott (edited 01-26-2000).]
The oil gets into the packet way to slowly and vaporizes causing heavy warping.
Keepbrite is better for oil quench steels and I use it for the tempering legs on 3Vand
420V.
You can get Keepbrite from MSC.
Ed
[This message has been edited by Edward R Schott (edited 01-26-2000).]