Greetings, Forget annealing or normalizing in a domestic oven, you need to get to = at leat 723 degrees centigrade to perform either of those two functions......might get away with some stress relieving though. Regards IP "Life should NOT be a journey to the grave with the intention of = arriving safely in an attractive and well preserved body, but rather to skid in sideways, Champagne in one hand - strawberries in the other,=20 body thoroughly used up, totally worn out and screaming WOO HOO - What a Ride!"=20 =20 Priest & Sons Model Engineers http://www.kinvermes.pwp.blueyonder.co.uk/p1.htm -----Original Message----- From: modeleng-bounce@xxxxxxxxxxxxx = [mailto:modeleng-bounce@xxxxxxxxxxxxx] On Behalf Of Charles & Dorothy Brumbelow Sent: 02 May 2005 03:47 To: modeleng@xxxxxxxxxxxxx Subject: [modeleng] Re: Any knife makers on the list? Not OT if the knife is a model to a newly engineered design, Jesse... = As=20 for tempering steel in an oven, I've wondered if the "clean" cycle of a = self cleaning oven would be good for annealing or normalizing steel or = possibly=20 taking the hard places out of an iron casting. I think it gets to 800=20 degrees Fahrenheit or so... Charles > Al, > > Pay no attention to that yahoo down in Oz. All you have to do is to=20 > place the knife blade on a piece of heavy metal (1/4" or thicker,=20 > this is to sort of moderate the heat.) and heat the metal until the=20 > proper colour shows on the polished blade. You prolly need almost a=20 > dark purple colour to get a good tough blade from carbon steel. The=20 > nearer straw colour you are, the harder but more brittle the blade=20 > will be. > > BTW: Did you realize that this matter is OT????? > > Jesse > : [modeleng] Re: Any knife makers on the list? > > >> I seriously doubt if you could get a good temper in a kitchen oven=20 >> Al. > MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to,=20 modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the = subject line. --=20 No virus found in this incoming message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.11.0 - Release Date: 29/04/2005 =20 --=20 No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.11.0 - Release Date: 29/04/2005 =20 MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.