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Property data for 2004 Aluminum alloy?
2

Property data for 2004 Aluminum alloy?

Property data for 2004 Aluminum alloy?

(OP)
Howdy all,

I am looking at finding a substitute for 2004-F or 2004-T62 Aluminum alloy. This alloy is used for super plastic forming. Since it is a specialty item there are no published material properties that I could find. Does anyone have material data for me to evaluate alternate materials to use as a substitute? We will be using a different forming process.

Thanks,

-Kirby

Kirby Wilkerson

Remember, first define the problem, then solve it.

RE: Property data for 2004 Aluminum alloy?

Aluminum alloy 2004 is also known as Supral 100. You can find some info including typical properties using the following link:

http://www.alueurope.eu/talat/lectures/3804.pdf


Since this is a high strength alloy, and I'm assuming you need something in sheet kinds of thickness (not a forging, not screw machined from bar, etc.), I would start with 2024-T81. If stress corrosion cracking is a concern, you may want to investigate other alloys like 2124, 7050, 7475, etc.

https://www.alcoa.com/mill_products/catalog/pdf/al...

http://www.kaiseraluminum.com/customers/products/p...

RE: Property data for 2004 Aluminum alloy?

(OP)
Thank you TVP. I was thinking 2024-T42 or T62 since some forming will be needed.

The material is covered by AMS4208 (for bare) and AMS4209 (for alclad). Would this spec have the minimum values? That would give my substantiation a better grounding.

Thanks,

-Kirby

Kirby Wilkerson

Remember, first define the problem, then solve it.

RE: Property data for 2004 Aluminum alloy?

AMS4208 is for the alloy in the -F condition. I assume that this spec includes requirements for heat treating response, meaning that if the raw material is solution treated and aged (-T6) by the material producer, it can demonstrate the ability to meet minimum mechanical properties.

RE: Property data for 2004 Aluminum alloy?

(OP)
The material that I'm substituting for can be in either the -F or -T62 condition, so that would work for me. I just wanted to make sure that the spec actually has the information I need. I don't normally use the AMS spec for property values, using MMPDS instead.

Thanks,

-Kirby

Kirby Wilkerson

Remember, first define the problem, then solve it.

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