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Annealing Copper
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12 years 11 months ago #1239 by Archived Forum Admin
Annealing Copper was created by Archived Forum Admin
What is the annealing temperature range for copper CDA110? How can I tell whether it is over-annealed or not?
I annealed copper wire at 1600oF and found some bumps on the surface. What could have caused this defect?
I annealed copper wire at 1600oF and found some bumps on the surface. What could have caused this defect?
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12 years 11 months ago #1240 by Archived Forum Admin
Replied by Archived Forum Admin on topic Re: Annealing Copper
Hello wsc,
CDA #110 is 99.9% pure electrolytic tough pitch copper and the annealing temperature range is 600 to 1400 F. Keep in mind however that annealing is a time-temperature relationship. The degree of anneal is determined with a laboratory tension tester.
"Some bumps on the surface" is really not enough information to give us a clue as to what is going on. For instance we don't understand if this is over a whole spool of wire or perhaps just at one spot such as the end of the spool. We therefore suggest you read the following thread www.wirenet.org/forum/viewmessages.cfm?Forum=12&Topic=82
Looking at your company's website, we also suggest you discuss this further with a staff metallurgist or metallurgical engineer.
Regards,
Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com
519 641- 3212
CDA #110 is 99.9% pure electrolytic tough pitch copper and the annealing temperature range is 600 to 1400 F. Keep in mind however that annealing is a time-temperature relationship. The degree of anneal is determined with a laboratory tension tester.
"Some bumps on the surface" is really not enough information to give us a clue as to what is going on. For instance we don't understand if this is over a whole spool of wire or perhaps just at one spot such as the end of the spool. We therefore suggest you read the following thread www.wirenet.org/forum/viewmessages.cfm?Forum=12&Topic=82
Looking at your company's website, we also suggest you discuss this further with a staff metallurgist or metallurgical engineer.
Regards,
Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com
519 641- 3212
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