Is it just marketing or is there an actual structural difference?
In: 807
Aluminum= chemical element, or family of alloys that all contain it. Engineers would never specify just “aluminum” but rather a specific standardized alloy: 6061, 7075, 2024, A380, A356, etc. Most grades come from the AISI, but some from SAE, DIN, JIS or ISO.
“Space Grade Aluminum” is a meaningless term made to market something that has aluminum in it.
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