on 11/25/01 9:00 PM, Daniel Gurnee at dgurnee@humboldt1.com wrote: CAUT Addendum to my last: Annealing brass, two sources. ANNEALING PROCEDURE¹ Heat to dull red color, let cool to a grey color, immediately quench in water or picking solution.² ³The Jeweler¹s Bench Reference² by Harold O¹Connor, Pub. Dunconor book, 4th printing 1982 ANNEALING: ³This can be done with a kiln or torch. Colors are best seen in a dimly-lit area. Handy flux may be painted onto metal to serve as a temperature indicator: it is clear at 1100° F. . . ³The Complete Metalsmith², Tim McCreight, Pub. Davis Publications, Mass., 1982. Dan Gurnee, RPT, Ret. HSU. > Greetings CAUT, > > Learning from the HSU Art Dept. and Hobart Brown renowned for initiating the > Kinetic Sculptor Race at Ferndale CA, to totally aneal work hardened copper > and brass, heat to glowing red and quench in cold water. > > Dan Gurnee RPT, Retired from HSU > > > > on 11/25/01 5:45 PM, Bdshull@aol.com at Bdshull@aol.com wrote: > >> Hi, Mark, >> >> A few months ago I decided to try the oven. I put the rails and good butt >> plates in the oven for an hour at full blast ("broil"), turned the oven off >> and left in overnight to cool (slow cooling...). The butt plates were very >> bendable, unlike before - I could not break them. I have done it on two >> action rails with the same results. I am not sure of the exact temperature, >> but I believe the temperature needs to exceed 650 degrees. >> >> Of course it is more scientific to use the crayons. The heat-sensitive >> crayons are a precise indicator of the temperature. But I am pleased with >> the results of my oven. Don't know how many times it can manage full heat >> for an hour, but it seemed to do OK. >> >> >> Bill Shull, RPT >> La Sierra University, CSUSB >> >> In a message dated 11/25/01 1:00:47 PM Pacific Standard Time, >> cramer@BrandonU.CA writes: >> >> << I recall a discussion about annealing brass-flange rails in the oven. >> Someone may have even taught a class on this subject. >> >> Can someone please help me out with the particulars? >> >> thanks, >> >> Mark Cramer, >> >> > >
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