Need help identifying this unmachined 10" X 6" aluminum rod stock....looks like T-251/351

QQ-A-225/8 T651 Bar

A medium strength aerospace aluminium alloy with, depending upon temper, Yield Strength of up to 35 ksi (240 MPa) and Tensile Strength of 42 ksi (290 MPa).
This alloy is selected where a combination of strength, weldability and workability are required.
 
If you google QQ-A-225/6 the first hit returns "Aluminium Alloy - ASTM & FED-QQ - QQ-A-225/6 T351 Bar"

OK, I actually googled "00-A-225/6" and google corrected it. The above is the first result I got, but the third result if I search "QQ-A-225/6"
 
need a better picture of the spec #
 
I thought the whole concept of race cars was weight reduction. If that’s wrong, I’ve been doing it wrong for 15-20 years...
 
It's aluminum.

If you are worried about what alloy you are making something out of, you buy the alloy you are looking for.

If the alloy doesn't matter, this is your lucky day.
 
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