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Seamless drawn versus DOM Tubing

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D

DaveK

Well-Known Member
Supporting Member
Joined
Apr 21, 2007
Messages
539
Location
Northern California
I know most (all?) aircraft built with steel tube these days use seamless drawn tubing. There is also hot rolled drawn over mandrel (DOM) tubing that the racing community uses a bunch. Does anyone know if there are differences in strength, buckling resistence, etc. between the two differenct styles of 4130 tubing? I know Bob Hoover suggests using the DOM to save money, but I haven't found much engineering data for this type of tubing.

Any help appreciated.
 
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