Posted by Dan Shockley on Friday, March 30, 2001 at 5:21PM :
In Reply to: It's been a few years since I looked at the hubs closely... posted by Matt Wilson on Wednesday, March 28, 2001 at 1:45AM :
I'm sure that the hub is not cast iron. If it were cast, it would be cast steel, but I'm pretty sure that it is forged steel. The welding should not have caused major microstructural damage to the hub. You should be able to save it by grinding. I would avoid torch cutting because of the unnecessary amount of heat input.
I would be more concerned about the welding affecting the physical properties of the axle shaft. Careful grinding should allow saving of the most components. I happen to be a metallurgical engineer, so if you have any doubts, I will try to easy your worries. Don't be supprised if the bolts/studs are broken off in the holes when you uncover them.
Dan
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