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Where can I buy 30x cold rolled stainless steel for testing?

tomasrey

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I want to buy a panel of 30x cold rolled stainless steel for testing. I want to shoot it with a 9mm, 357 magnum and 45 auto. I want to see just exactly HOW bullet proof it is. I also want to buy a panel of ALON glass and test it as well. I want to do the test and put the video on YouTube. Please let me know how I can go about buying it. Thanks.
 

Eye of Elon

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We need this! I've been searching YouTube for ballistics tests against cold rolled stainless steel. Remember, that tailgate/ramp is many layers of steel.
 

Nightf0rge

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The name itself indicates they arn't saying which version of stainless it is. the X in 30X is replaced by a number. 310S has been a guess. I want Tesla and Elon to issue a Cybertruck key-card made from Starship MK1 scrap with a Cybertruck and Space X logo, would be so cool.
 

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1/8" of work hardened 3XX series stainless should stop a standard velocity 9 mm just like the demo showed. Whether a "Nato" 9 mm would penetrate is debatable. I'd expect a 357 FMJ would zip through.
In the final product I would expect the wording to be "up to 1/8" thick".
TBH, bulletproof isn't on my list of criteria for truck selection.

Edit - if you really want to try this I would suggest 301 1/2 hard. And leave a respectful distance between you and the target - impact craters can reflect bullets and bullet fragments directly back at the shooter. At my sportsman's club the targets are made of hardened AR500 steel plate 1/2" thick.
 
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Keeney

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Somewhere Musk said it’s a proprietary alloy.
There was an alloy composition listed somewhere supposedly from Elon himself that essentially matches up with 301. Its probably Full-hard or "extra-hard" from the description of how hard it is to bend. Its not so much that there is not a press strong enough to bend it as much as thicker, hard metals crack when you bend them to too tight of a radius.

You can buy some small sheets of 301 full-hard here, but the thickest they stock is only 0063" https://www.onlinemetals.com/en/buy/stainless/0-063-stainless-sheet-301-full-hard/pid/9658

Or get a quote for pretty much any size you would want them to process it at from here: https://www.upmet.com/products/stainless-steel/301
 

Wanderer351

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My impression was that it was cold rolled 30 times to both work harden and get the desired thickness.

Cold working stainless steel makes it magnetic

I also heard Elon say that they have to score the backside of the material at a fold for the machines to even be able to bend it.
 

Nightf0rge

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My impression was that it was cold rolled 30 times to both work harden and get the desired thickness.

Cold working stainless steel makes it magnetic

I also heard Elon say that they have to score the backside of the material at a fold for the machines to even be able to bend it.
Yes, think laser scored, bent and reinforcing weld at bends.
 

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