I've lost my whole hard drive....

Joined
Nov 29, 2000
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so can some of you guys help me out? I had lots of stuff on "notepad" stored in a folder and of course it's all gone. Someone gave me a site with tempering temperatures for various steels, anyone have a link? I'm going to do some L-6 tonight and need a little help.

regards, mitch
 
Mitch, I don't have a link, but I do have good advice. Back up your stuff at minimum once a week!

If you do not have a cd writer get one. You can burn all of the stuff that is important to you and it will always be there.

Doc
 
Mitch, here is Crucible's method.

Hardening

Note: Full hardness will only be attained in sections less than about 3 inches thick.

Critical Temperature: 1325F(720C)

Preheat: 1250/1350F(675/730C)

High Heat: 1500/1550F(815/845C), hold 10/30 minutes at temperature. Quench: Quench in oil to hand warm, 150F(65C). For minimum distortion, parts may be removed from oil at about 400F(205 C), and air-cooled to hand warm.

Temper: 350/600F(175/315C); hold one hour per inch of thickness, two hours minimum, four hours preferred.

Cryogenic treatments: Refrigeration treatments may improve long-term dimensional stability by transforming retained austenite. Refrigeration treatments should be performed after at least one temper, to minimize risk of cracking, and should always be followed by a temper.
Typical Properties
Hardness and Impact Toughness Data
Oil quenched from 1500F(815C)

--------------------------------------------------------------------------------

Tempering

Temperature
Hardness Toughness,
Charpy C-notch

°F °C HRC ft-lbs Joules

--------------------------------------------------------------------------------

As quenched 63-65 - -
300 150 63-65 15 20
400 205 60-62 43 58
500 260 58-60 38 52
600 315 56-58 68 92
700 370 53-55 - -
 
hey man, did you already fdisk and format the drive? if you havent there is a program that you can use to pull information and restore it from the crashed hard drive. If you take it to a PC store and ask them they can do it (and if they cant you dont want to let them repair your pc, because its part of the A+ certification).
 
Mitch,put your old hard drive in the freezer for 15 min.Then try it, quite often they will work long enough to get your info off them...Its a long shot but works in some cases...Good luck..Like the others said burn your knife info to a CD..
 
Umm,before resorting to desperate measures such as HD cooling (?!) give us more details - what happened ? Did HD just "die" (it doesnt spin anymore), did filesystem get corrupted for some reason, etc. ? If HD isn't terminally destroyed (most hardware defects are terminal, alas, because none of us has the replacement parts, tools and sterile environment in which to fix such problems - but if data was extremely important there are companies out there that will retrieve the data ... at a hefty price, $5000+) data is mostlikely salvagable. Provide more info and maybe we'll be able to help.
 
If it sounds like a pissed off be or a little tiny hammer hitting a little tiny brick of lead it is junk....

I have not found too many of those recovery programs that work and I have been doing IT work for 17 years....You can try them if you like...they are well under 100 bucks most of the time.
 
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