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IS Code for Al alloy

2003

Q. I am looking for the International standard code for the following composition of aluminium alloy:

Al : 91.692%
Mn : 0.008%
Si : 1.97%
Cu : 1.05%
Zn : 4.14%
Mg : 0.94%
Fe : 0.20%

Please give us urgent reply.

Thanks and best regards,

Chandrasekhar.N
- Hyderabad, AP, India

"Aluminum Alloys & Tempers"
by J. Gilbert Kaufman
aluminum_tempers_kaufman

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A. Looking in my copy of the Teal Sheets, which list internationally recognized wrought aluminum compositions, I find NOTHING which matches your composition. Nor does the ASTM list any cast aluminums with this combination of elements in those proportions.

So how did you get these numbers? If by EDS from an SEM, then the numbers could easily be inaccurate, and your material might be a high strength aluminum. If not, your material may be a special brew.

Good luck!

Lee Gearhart
metallurgist - E. Aurora, New York
2003

A. Checking with the aluminum association handbook this looks like a member of the 7000 series. I could not tell much more. I hope this points you in the right direction.

Ronald Zeeman
Continuous Colour Coat - Brampton, ON, Canada
2003

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