Thank you Stan, I found some data as well:
http://asm.matweb.com/search/SpecificMaterial.asp?bassnum=MA6061T8
http://asm.matweb.com/search/SpecificMaterial.asp?bassnum=MA6061T6
73
Peter
-----Original Message-----
From: Stan Stockton [mailto:wa5rtg@gmail.com]
Sent: Montag, 21. Juli 2014 18:12
To: Peter Voelpel
Cc: <towertalk@contesting.com>
Subject: Re: [TowerTalk] overhead truss for 80M rotary dipole
I believe this is the answer:
6061-T6
Ultimate tensile strength 38.0 ksi
Yield Strength 35.0 ksi
Elongation 8%
6061-T8
Ultimate tensile strength 45.0 ksi
Yield Strength 40.0 ksi
Elongation 8%
73...Stan, K5GO
Sent from my iPad
> On Jul 19, 2014, at 10:09 PM, "Peter Voelpel" <dj7ww@t-online.de> wrote:
>
> Hi Jim,
>
> Do you have any data sheets which support that?
>
> I do not see the 25% stronger then T6:
>
> http://www.allianceorg.com/pdfs/alumext/6061t8.pdf
>
> 73
> Peter
>
>
>
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Jim
> Thomson
> ## DX eng now supplies 6061-T8 alloy tubing in .120 wall etc. The T8
> alloy is a full 25 % stronger than the T6
>
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