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Nonferrous topics such as copper and aluminum, annealing, etc. go here.
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TOPIC: 7xxx series

7xxx series 2 years 9 months ago #1558

Anyone here ever make a 7xxx alloy on a continuous rod caster? If so, how did it go?
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Re: 7xxx series 2 years 9 months ago #1559

I was under the impression that the very hard 7xxx series of aluminum alloys were mainly used in the aerospace and automotive industries and rarely used if ever in the wire and cable industry. Please advise.

Kindest regards,
Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com
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Re: 7xxx series 2 years 9 months ago #1560

yes that is true but people are always pushing the envelope on what can be cast using a properzi type caster. Really I am not sure what it would be used for, possibly rivets. there are other aluminum products that are concast rod that are drawn down and then formed into rivets. I guess the wire form is just an intermediate stage of the process.
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Re: 7xxx series 2 years 9 months ago #1561

Hi,

They should try a Horizontal Continuous wire / rod caster. We believe that if the metallurgy to get the metal into a tundish is OK, we should be able to cast either wire or rod.

Manfred Haissig
M.H.Consulting
This email address is being protected from spambots. You need JavaScript enabled to view it.
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Re: 7xxx series 2 years 9 months ago #1562

Seems to me that casting the material may be considerably easier than drawing it to some eventual size. From what I have read the alloy is used in castings. That does not mean it can be cast as rod, but then just because it can be cast into a rod form that does not mean that it can be cold drawn to a much smaller size say 1mm or much less.
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Re: 7xxx series 2 years 9 months ago #1563

Maybe it is worthwhile to test. Unfortunately there is no caster available that would cast Al wire or rods on a trial basis.

We could build one, but who would want to invest in one?

Sincerely,

Manfred Haissig
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