Heat treating 1084 for the first time! I need some help!

Thanks! I've got a terrible memory and with all I've been reading about this topic I must've missed that or spaced it out. Appreciate the help very much!
 
In response to the question about oil volume, it is a ratio that has to do with thermal conductivity and thermal mass. For a small knife, one gallon will work, but more is better. For large knives, two gallons is just barely enough, and three to five is best. Multiple knives also require larger volume of oil. Anything that can increase the transfer of heat is a benefit. Circulating the oil, distance to the tank walls, and volume of oil are how it is optimized. The quench is the thing that will determine if the knife is made of hardened steel. It deserves your utmost attention and the best environment possible .... so don't skimp on the oil.
You might compare it to anvils. By impulse ( hammer) to resistive mass (anvil) ratio, a 75# anvils is more than sufficient for forging a knife with a three pound hammer. However, the general consensus is that a larger anvil is a better choice.


That's a great analogy.
 
Hopefully I'm not hijacking the thread. If 01 is heat treated as descibed for 1084, would the 01 be equal or better /worse than 1084. I realize 01 needs a soak in order to bring out its qualities. I have been using 1084 but always have requests for 01. Thanks


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Hopefully I'm not hijacking the thread. If 01 is heat treated as descibed for 1084, would the 01 be equal or better /worse than 1084. I realize 01 needs a soak in order to bring out its qualities. I have been using 1084 but always have requests for 01. Thanks


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Best case is you end up with something that performs like 1084. I believe it would be disingenuous to meet a request for O1 with a blade heat treated with a 1084 regimen. It may have the chemical composition of O1 but it will not be in the structure properly heat treated O1 would be.
 
Agreed. I'll end up sending out a batch for heat treat. Not bad by quantity.


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I use the good old 1500/400 HT for my 1084 and 1084 based damascus in most applications. I will temper a bit lower when doing a 1084/15N20 mix for kitchen knives. I use Parks #50 at room temp. According to Mr. Cashen's website, that will give you a consistent 60-61Rc. That recipe has worked very well for me in all basic application form hunters to large bowies using both Aldo's early 1084 smelts and the NOS Schrade 1 x 1/4 stuff the he had for a little while.
 
Similar to E Carlson I use a turkey roaster which has the heating element already in sync. Holds a couple gallons. When done I put the lid back on and put back on shelf. Lid even has a hole to drop the thermometer through for warming up. Cost me $20 on Craigslist


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Another rookie gonna chime in. Is your steel normalized. ? Where did you get it. Aldos had some 1084 that needed to be normalized before hardening. If so you might refer to some of Stacy's previous threads on normalizing.
 
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