Elon Musk: “300 series stainless that's strain hardened... has a similar…”

“But for Sarship, it's liquid methane and liquid oxygen, they are liquid at similar temperatures. So basically almost the entire primary structure is a cryogenic temperature. Then you've got a 300 series stainless that's strain hardened... has a similar strength to weight as carbon fiber, but costs 50 times less. than raw material and is very easy to work with. You can weld stainless steel outdoors. You could smoke a cigar while welding stainless steel. It's like, it's very resilient.” (2:02:06–2:02:25)

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