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Old 06-26-2012, 03:40 AM   #11
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4140,4150 are what is typically used for guns. Parts are machined while soft, then heat treated.

410,416 Stainless is used because it is heat treatable. Because it is heat treatable, it will rust if not properly cared for.
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Old 06-26-2012, 10:37 AM   #12
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Does anybody know where I can get a big block of Rearden Metal? I want to machine a bridge.
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Old 06-26-2012, 04:18 PM   #13
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Quote:
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Does anybody know where I can get Rearden Metal? I want to machine a bridge.
Very Ayn Rand.
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Old 06-26-2012, 04:53 PM   #14
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Default Home grown........

Can you do hardness testing, the size of steel, the amount to be removed and the way it is removed is all contributing factors......carbon steel, 4130, 4145, both can be heat treated. Remember you are dealing with high temp and pressure.....
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Old 06-26-2012, 06:29 PM   #15
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Vincine- you will need to check over at the Atlas Corp for that- but there is some on Ebay..........
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Old 06-26-2012, 07:05 PM   #16
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Quote:
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Does anybody know where I can get a big block of Rearden Metal? I want to machine a bridge.
You might try Grainger. Lol
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Old 06-26-2012, 08:53 PM   #17
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You might try Grainger. Lol
Duh! Of course! Grainger!
I'd have to buy a lot to order from Atlas and there only enough on ebay to make a bracelet.
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Old 06-26-2012, 09:08 PM   #18
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What are you looking for......Post type of mat. and sizes and how much....There are serveral machine shops in the area and i might be of some help. As long as it is reasonable.....
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Old 06-27-2012, 01:03 AM   #19
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Wills- ref: Rearden Metal- central theme of the book Atlas Shrugged by Ayn Rand. That was a very tongue-in-cheek posting there.
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Old 06-27-2012, 12:00 PM   #20
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Wills- ref: Rearden Metal- central theme of the book Atlas Shrugged by Ayn Rand. That was a very tongue-in-cheek posting there.
Ouch......
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