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Can anyone tell by seeing this if............

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  • Can anyone tell by seeing this if............

    Can anyone tell by looking at this pic, whether this is cast aluminum or 7075?? The fella that makes 'em claims they are 7075! After I saw this, I put a small piece of 7075, .250"x1" in a vise and tried knocking off the corner with a 32oz ball peen hammer. Eventually, it did break, but, it bent some first. Now, just by looking at the pic, there are no signs of distortion at the break, which is why I suspect this is cast. Nor does it look like it was cracked, making the break possible. Any opinions?
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