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Posted by M Fanoni [65.98.184.194] on Wednesday, February 22, 2012 at 14:47:22 :
In Reply to: Frame Rust Repair? posted by Dan E. [173.9.49.14] on Wednesday, February 22, 2012 at 11:20:35 :
It is helpful to remember that rust is typically 8 times less dense than solid steel. (the expansion ratio can vary greatly, but it is always between 4 and 10)This means, even with a full 1/4" of rust (an enormous amount), it only depleted 1/32" of steel (a fairly irrelevant amount).
Generally all that is required is rust removal and cleaning, not necessarily a structural repair. The biggest concern is what is called "rust smacking" which you may see between frame-rail layers. You will need to clean that for sure.
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