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https://orchid.ganoksin.com/t/annealing-brass-to-dead-soft/48475
The simple answer is NO. Why? because its the wrong sort of brass for working into a very soft state. you need deep drawing brass, LEAD free as well. this at worst is 70/30, of 75/25 if you can find it. Am currently using this spec for some buckle backs. Lovely rose gold colour. anneals v well, that till dull red hot then quench in water. Pickle. and work.Estimated Reading Time: 5 mins
https://www.nancylthamilton.com/wp-content/uploads/2013/09/Annealing-Temperatures-of-Common-Jewelry-Metals-Annealing-Temperatures-for-Metals.pdf
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http://www.jewelryartistsnetwork.com/index/annealing-101/
Mar 12, 2010 · If sterling starts to glow so that it is visible in normal room light, you have usually exceeded the normal annealing temp, so pull the flame back and heat more gently for 60 sec. Brass needs to be annealed for longer than copper or silver, so keep it glowing for 60 -120 sec.
https://thebloke.co.nz/understanding-brass-annealing/
Brass Annealing Temperature Online, the suggested temperature your brass needs to get varies a bit, ranging from 600 to 800 degrees Fahrenheit (that’s 315 to 420 Celsius for us in metric land). The average recommendation seems to sit in the 700 F range though (370 C).Estimated Reading Time: 6 mins
https://www.stuller.com/benchjeweler/resources/bencharticles/view/annealing-gold/
Feb 06, 2018 · In general, annealing should be completed in a time that is measured in minutes, not hours. Metals can be softened to a certain point and no further, regardless of how long they are exposed to elevated temperatures. Generally anytime you heat a typical jewelry alloy to a red color (above 1050°F) the alloy will begin to get softer.
https://steamshed.com/how-to-soften-and-anneal-metal/
Nov 27, 2019 · Annealing brass is very similar to copper, although the temperature should be a little cooler. What you are looking for as you apply the flame of your blow-lamp/torch onto the part to be annealed is the tell-tale colors again. When the brass starts to show a blackened color, then is the time to quench it quickly before cleaning it up. How To Anneal Aluminum (Aluminium)
https://www.6mmbr.com/annealing.html
Brass which has been "work hardened" (sometimes referred to as "cold worked") is unaffected by temperatures (Fahrenheit) up to 482 degrees (F) regardless of the time it is left at this temperature. At about 495 degrees (F) some changes in grain structure begins to occur, although the brass remains about as hard as before--it would take a laboratory analysis to see the changes that take place at this …
https://forum.accurateshooter.com/threads/proper-annealing-temp.3972562/
Feb 20, 2019 · The higher the annealing temperature, the shorter the time required to anneal. The grain structure of the brass begins to change - indicating the start of annealing - at just under 500 degrees Fahrenheit. At 600 degrees F, brass will anneal in one hour. At 800 degrees F, brass will take only a few seconds to anneal.”
https://www.quora.com/What-is-the-annealing-temperature-for-yellow-brass
Although brass with low imputities and sufficient cold work will recrystallize ( anneal) at 370 C. , it was common to anneal cartridge brass at 500C or higher to meet unique grain size requirments for shellcase.
https://www.handloadermagazine.com/annealing-rifle-brass
Similarly, brass anneals at temperatures as low as 480 degrees, but the process takes longer. Even annealing at 600 degrees requires an hour – far too long for most handloaders’ purposes. Instead, we want to quickly heat necks to just under the melting temperature of zinc, thereby avoiding the problem of heating the rest of the case, annealing the head.
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